As Olivia and Chasseur face off at the Mill, Shelley learns the awful truth about her family, and Peter and Roman uncover the killer's identity.

The tragic conclusion to the Hemlock Grove killing spree leaves both the Godfrey and Rumancek families devastated, with the final horror yet to come.

While Peter undergoes questioning, Roman proceeds with his final transfusion. An unexpected alliance forms when a threat to Olivia’s life is revealed.

Roman tells Norman the truth about their family. Olivia’s rehabilitation takes an unexpected turn. Destiny discovers what the murderers are plotting.

A family reunion unfolds with layers of typical Godfrey dysfunction. Peter and Roman’s quest to save lives forces them to reveal their true natures.

Peter recuperates at home. At the White Tower, Roman takes care of unfinished business and Norman has a final confrontation with Olivia.

A weakened Roman emerges from his coma and reunites with Peter to stop the killer. Hemlock Grove braces itself for another lethal full moon.

Peter and his mother hide from vigilantes seeking the killer, while Christina disappears, and Roman finally begins to face the truth about his nature.

Miranda and Roman seek medical advice. Peter and Destiny must find a new way of helping Lynda when her attorney informs them the case is hopeless.

Roman undertakes his first treatment with Dr. Pryce; Norman sets up a rendezvous with a beloved relative he thought was lost forever.

Blinsky tends to Roman's wounds at the White Tower. After leaving Nadia with Shelley, Annie confronts Olivia about her father's death.

Ochoa encourages Olivia to reach out to Annie. Destiny's sanity begins to crumble in Andreas's absence, and Pryce is besieged by childhood memories.

A teenager is murdered in the woods of Hemlock Grove. Evidence points to an animal attack but suspicions soon fall on Peter, the newly arrived gypsy.

The search for Miranda and Nadia digs into Spivak's past. Roman has an encounter with a mysterious stranger. Andreas and Destiny plan their future.

As Olivia's condition worsens, she drops a bombshell on Roman. The wolf pack struggles to hide the truth about Andreas from Destiny.

Pryce deduces the nature of the creature and looks for links to the Pivak monster. Roman explores upir customs. Peter grills Andreas about the heist.

Gruesome discoveries await Roman and Peter at Spivak's cabin. As Olivia's time runs out, she targets her son. Pryce consoles a heartbroken Shelley.

Annie reveals her secrets to Roman as they probe a connection between two attacks. Olivia is unable to feed and Miranda must fend for herself.

After drunkenly attacking the Godfrey Institute, Roman falls into a coma and embarks on a subconscious journey of shocking truths and revelations.

A plan to save Olivia requires a search for the perfect mark at an upir conference. Destiny confronts Roman about Andreas.