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.

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.

While Liz disappears to drown her sorrows, Harry develops a crush on his policeman neighbor Pete and Ben and Heather explore their unexpected chemistry.

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 Ainsley's birthday shin-dig.

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.

Ainsley's preparations for a gender-reveal party are derailed by the wrath of Lachlan's ex Mel.

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

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

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

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.

With her major exam looming, and rumors that a marriage proposal might be brewing - Heather's world is blown apart when she learns of Ben's betrayal.

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

Ainsley receives news from a more distraught than usual Cheryl that Des has passed away. In Ainsley's priority of being the nurturer and despite her feelings about Cheryl, Ainsley decides to invite her to stay in the house for however long she needs while she is in town to deal with Des' affairs, and in support for "family". Ainsley also issues the directive that no one is to tell Manju about Des in Ainsley not wanting to burden her with more bad news considering her health, hiding it from her which may be difficult especially due to Cheryl's boisterousness. Of everyone in the house, Ainsley seems the least emotionally affected by Des' death, outwardly due to that nurturing taking priority, but inwardly due to her confusing relationship with her father, that confusion especially since Cheryl came into the picture intimately which was even before Ainsley's mother's passing. The situation gets even more confusing for Ainsley shortly after Cheryl's arrival, the specific stressor which Ainsley will have to deal with both emotionally and legally. Meanwhile, Ainsley's decisions have an unexpected negative effect on Liz and Stuart's already crumbling marriage. And Cheryl's arrival leads to a game of musical bedrooms, Heather the most obvious person to relinquish hers in having Ed's as a place to stay where she is most nights anyway. However due to a family situation with Ed, Heather decides to stay in Colin's granny flat. As the one now geographically closest to Heather, Colin discovers that Heather's outward reason for not staying with Ed was a lie which he figures indicates problems between Heather and Ed, such news which he has to share with his fellow "Heather spurnee" Ben.

Heather's newfound serenity is skewered when her graduation day devolves into chaos.

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.

While everyone in the house is frantically preparing the house to be sold, Heather pulls after finding out two housemates are moving in with her ex-Husband. Harry scatters his mum's ashes with Liz, Simmo finds out about Ainz's pregnancy.

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

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.

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 Ainsley's birthday shin-dig.