Bo attempts an unlikely rescue against an army to save two people who are dear to her – unaware of the dangers facing those she leaves behind. Kenzi has an epiphany about Hale. Dyson is given an important clue to Bo’s past, just as doubt is cast on his own future.

Bo finally learns the identity of her mother – and that those closest to her have been keeping secrets. No longer sure who to trust, Bo decides to track down “Mommy Dearest” alone, in order to extract the truth about her own origins once and for all. While everyone frantically searches for Bo, Dyson visits an ancient Norn, a wish-granting, tree-dwelling crone, where – in order to protect the woman he loves -- he makes a sacrifice that may change his relationship with Bo forever, as she prepares for a final face off with her deadly mother.

A nomadic Fae sideshow comes to town looking to take advantage of the chaos that the bombing of the Light Fae headquarters has wrought. Unbeknownst to the general Light Fae populace, The Ash is in a coma, and his bond with the land is weakening, which makes this the perfect time for the travelling circus freaks to steal the most precious thing the Light Fae possess.

Chaos strikes during a daring attack on The Dal, leaving the fate of one of the gang in the balance. Meanwhile, The Morrigan leaps on the opportunity to ignite the tensions between Light and Dark… catching Kenzi and Hale in the crossfire.

When Trick takes matters into his own hands to foresee the future, he runs the risk of revealing too much to the wrong Fae. Meanwhile, a furious Bo confronts The Ash about a betrayal… and is stunned by his response.

As Bo struggles to accept the new terms of her and Dyson's relationship, she investigates an apartment building full of residents who appear to have lost their minds.Kenzi's choice to employ a Brownie to help around the house threatens to backfire on her.

The hunt for the new Ash is on. Literally. A traditional Stag Hunt is held, whereby the candidate who successfully tracks and kills the Stag becomes the next Ash. Bo barely takes a passing interest in this ceremony until a surprise visitor with a vested interest in the hunt appears in her front room.

In a move of sisterly solidarity, Kenzi drunkenly invokes the Russian hag Baba Yaga to curse Dyson for his behavior towards Bo. In the sober light of day, however, Kenzi and Bo seek to remove the curse.

A fun-filled Fae "high holiday" turns potentially deadly when a Banshee wail predicts the death of someone in Trick's bar to occur within the next 12 hours. After a scramble that puts Bo and Dyson on the Banshee's trail, the two learn the name of the Light Fae (Sean) who's marked for death – and his last wish is for them to help him reconcile with his Dark Fae brother. Bo has to heal the rift between the two brothers at great risk to herself, while trying to unravel and prevent the mysterious death omen hanging over Sean.

Bo is forced to make the toughest decision of her life to stop evil from bringing destruction on her world.

While investigating a baffling sex-related murder case, Bo comes into contact with Saskia, a carefree Succubus who has much to teach her. But as they work together to find the serial killer Saskia reveals her true Dark Fae colours, which tests the limits of this newfound friendship -- and of Bo's own inner bad girl. Now feeling like a third wheel, Kenzi joins forces with Trick in a race against time to help him keep an old promise and save The Dal Riata.

Bo's freelance work earns her a lead on someone who might know something about her mother... but the trail ends at Lou Ann, a death row inmate who claims not to know anything at all. Desperate to prove otherwise, and increasingly convinced Lou Ann is innocent, Bo uses all her Fae connections to try and bust her out of jail. When she has to admit defeat, Bo's goal switches to one of personal vengeance: to find Vex, the Fae that framed Lou Ann, and make him pay.

Bo and Dyson go undercover as a married power couple at a swank country club to help an old friend from Kenzi's criminal past. At first they enjoy their taste of the good life – and the chance to play house. But soon the emotional pressure of the charade, and the increasing body count, push Dyson and Bo to a new level in their relationship... and prompts Dyson to give Trick an ultimatum. It’s time for them to tell Bo all they know about her origins once and for all. But before Dyson has a chance to come clean to Bo, an unexpected arrival drops by and tries to silence him for good.

When Dyson wakes up bloody and without the last eight hours of memory, he finds himself accused of murdering Ba'al, a close associate of The Morrigan's pet psychopath, Vex, and takes refuge in Trick's bar, invoking sanctuary.

Things heat up when Bo tangles with Fae politics in an attempt to save some very important people. Meanwhile, Kenzi risks more than she intended when she does a favour for Hale.

A murder-suicide leads a human household to hiring Kenzi as a Shaman. Accidentally cleansing their house, a psychosis-inducing venomous Fae spider tags along when she returns home.

Trick’s dear friend seeks his assistance when his ballet dancer husband goes missing – or rather, his ballet dancer husband’s corpse. Bo and Dyson track the dead ballet dancer to a bizarre figure, enlisting Lauren for her scientific expertise along the way.

A night out at the Dal goes awry when an insane trickster spikes the beer with a substance that transfers Bo out of her body – resulting in a ripple effect that finds our regulars inhabiting the skin of their friends, lovers and rivals. Suppressed – and not so suppressed – feelings bubble to the surface, and the brief stays in one another’s bodies gives each surprising insights into the other.

In the wake of emotional losses, Trick reveals his deepest secret to Bo. Bo realizes there is no turning back and she must go to any extreme, which includes aligning herself with a sworn enemy, to take on a battle that could decide the fate of the Fae.

After Bo narrowly escapes an attack by a vengeful Fae, the team tracks down who sent it, only to make Bo doubt her feelings for someone she loves. Meanwhile, Kenzi's surprised by a visit.

Bo and Dyson take on a case in the world of new age psychology, and Bo suffers the consequences of denying her ravenous hunger.

Bo confronts a very powerful Fae, uncertain whether she can trust The Ash’s counsel. The coming War takes its first casualties – literally and figuratively – which challenges Bo’s and Kenzi’s commitments to the cause and the ones they love.

Bo enlists Dyson’s help to find an artifact she believes will release Nadia from her coma -- even though it might mean having to say goodbye to Lauren.

Under lockdown, the gang rallies to save one of their own.

Bo tracks down an old foe who has taken on a new form.

Bo and Tamsin infiltrate the world of college football to investigate a homicide that might expose the Fae. Dyson investigates a murder victim who won’t stay dead.

Bo and Tamsin protect a Japanese warrior with a hit on his head. Lauren deals with death threats of her own.

A dangerous mission forces Tamsin to confront past mistakes. Meanwhile, Lauren must deliver bad news to a friend.

When an oracle goes missing, Bo poses undercover on a Fae dating website to lure the suspect.

Bo and the gang attend a party with a mission to take down a new enemy.

Bo is forced to make a difficult decision.

Bo needs the help of an estranged family member. Lauren finds herself haunted by a mysterious spirit.

Bo and her allies race to stop an ancient evil from wreaking mass destruction.

Bo and the gang deal with the aftermath of a storm.

Bo and Tamsin disagree over a young Fae who asks for help. Trick turns to Dyson with a mysterious case and an unwanted partner.

When Kenzi’s childhood friend is snatched away before her eyes, Bo follows her underground to help find him. Meanwhile, Dyson’s new partner looks like trouble for Bo.

Bo risks her freedom to do a favor for Lauren, only to discover she’ll have to do it “au naturel.” The new Ash is revealed and Bo’s new appetites shock…has she not recovered from last season’s battle after all?

Dyson rushes to be by Bo's side when she puts her life on the line to save a haunted family. At the same time, Lauren finds, much to her dismay, that she can no longer outrun her past.

Bo risks life and limb to retrieve an elusive Fae painting for a friend. Lauren makes a stunning revelation.

Bo and Kenzi open a private investigation office. Their first job is to find a missing student at a local college. Kenzi goes undercover in the college, Bo joins campus security to uncover what happened. Bo and Dyson's relationship goes on the rocks and another species of Fae is revealed.

Fresh from the realization that she is a member of the Fae, Bo is approached by a strange client, Will, a real life Will O' the Wisp. The storehouse of jewels he's collected over the centuries has been stolen... by a human! While this line of work is foreign to Bo, Will offers her an irresistible payment - information about where she might have come from. As Bo gets involved in the recovery of Will's gems, she finds the shocking truth about the thief... and the weird and deadly forces that seem to also be on the trail of the jewels.

Bo and Lauren team up to venture into Dyson’s memory when he's on trial for a murder.

Bo searches for truth when conflicting versions of her past emerge.

Dyson seeks out an elemental Fae to rescue someone he loves. Kenzi’s stuck on babysitting duty – but her unlikely charge might be the key to cracking the case.

Bo goes to hell and back to rescue a friend while Tamsin faces a foe from her past.

Bo is happy for the distraction provided by an assembly of strippers that helps break an accused cop-killer out of the police station. While Bo goes undercover at a strip joint to follow the trail of one of the apparent accomplices, Dyson and Hale simultaneously track the murderer. Both investigations meet in the middle at The Hand of Glory – a disembodied hand with remarkable powers. Coming off The Morrigan's shocking revelation about Lauren, Bo and the doctor have a difficult conversation.