Ainsley finds herself in a committed relationship for the first time. It's everything she's ever dreamed of, but grows suspicious that Simmo might propose and worries that things are moving too fast.

Ainsley, Heather, Ben, Liz and Harry have decided to sell. The drunken joke turned reality is officially coming to an end. As the auction nears it's crescendo, where will the housemates be left standing.

When Ainsley innocently asks the house about their thoughts on private schools, all the fault lines are exposed...

Heather is turning 50 and to kick off the birthday festivities, Heather learns that her receptionist is dating Colin. Meanwhile, Liz drags Heather home against her will for Ainslie’s birthday shin-dig.

Heather's in a funk, hitting peak mediocrity, just tolerating Ben. Desperate for a circuit breaker, she accidentally sets Ainsley and Harry on a mission to get her back on the dating scene.

It's Ainsley and Simmo's wedding day, Ben is determined to be there for his best mate Simmo and the love of his life, Heather. Over the course of the day, truth bombs will detonate.

The existence of the house is under threat when a housemate decides to move out and the gang discovers that replacing them is virtually impossible.

Harry finds himself charged with organizing Ainsley's questionably-themed 'white-party' Hens, and Simmo's 'fire-on-the-land' Bucks.

Living arrangement boundaries have been pushed just a little too far. Nudie strolls, hygiene complaints and a general lack of self awareness see everyone, bar Ainslie, ready to kick Ben out.

Flailing in his open relationship, Harry leaves a string of deeply regrettable voicemail messages on his boyfriend's phone.

A half-baked plan to become Manju's carer post-surgery proves to be Liz's undoing, when it leads to Stuart finding out about past indiscretions.

The house is officially disbanding, after four years of close contact. Right when they were on the brink of an elegant parting, Heather makes a choice that will plunge at least five lives into chaos.

As Ben, Ainsley, Harry and Liz kick off their housewarming celebrations, Heather doses herself up on a concoction to combat her urge to return home. Will she last the night or farewell this new life?

After a spectacular indiscretion in his workplace, Harry's career is well and truly on the line. Facing a professional investigation, he is receiving strategic advice from Liz, whilst trying to hide the whole situation from his suspicious mother.

Liz begins to catch on to Heather and Ben’s suspicious behavior and an unforeseen medical emergency rocks the worlds of our housemates. Harry embarks on another date with Policeman Pete.

Ben's turning 40 & the whole gang's headed to Simmo's block for a camping trip nobody will forget.

High on love, Harry wants to bring his new man to his family's Diwali celebrations... and ends up causing a meltdown.

Liz is bearing the brunt of Harry's anger and grief. In an effort to rescue their friendship, she throws herself at the mercy of the last person on earth she would ask for help.

Heather tries to stay calm when she receives a workplace bullying complaint... but fails and blows up her entire career.

It's the story of five unlikely allies in life, teaming up and buying a house. It's a grand social experiment with one glaring problem: they'll have to actually live with each other.