Kane and Tom’s relationship is tested with the return of Stella’s biological father Liam. While Tom wants to sweep it under the carpet – Liam is bad news – Kane thinks they should do what’s right: tell Liam he has a daughter. Their fight plays out as Tom discovers a dead possum in their roof and a bbq with all our people turns into a possum funeral. Here Kane reveals to Abi his anxiety about Tom’s refusal to confront the truth. Kane and Abi secretly order a paternity test for Liam. Armed with the knowledge of Stella’s true parentage, Kane confronts Liam behind Tom’s back, placing their relationship in jeopardy. Meanwhile Liam reveals his true colours and Kane and Tom face losing their daughter. Gemma, tasked with clearing her mum’s stuff out of the family home, bumps into her former neighbour Damo (the son of the woman Gemma’s father is now with).

While Abi and Mark struggle to fall pregnant, Lewis’ world is threatened when Gemma’s friendship with her old friend and neighbour, Damo, intensifies. Gemma invites Damo to dinner, on the same night that Phoebe introduces her new boyfriend Ryan into the family. Meanwhile Lewis learns that Justin has been keeping his Carpentry course a secret. The dinner party spirals into disaster when Lewis, jealous of Damo and angry at Justin, ruins Phoebe’s relationship with Ryan. The next day, at the school athletics carnival, Lewis needs to redeem himself to get back into Gemma’s good books. Meanwhile Abi comes to terms with how difficult it is to be a control freak when conceiving babies and pregnancy are completely out of her hands. Phoebe is forced to face the truth that being a teenaged mum makes having a relationship very tough. And Justin has to acknowledge that Lewis is something of a father figure... a slightly annoying one...

Justin struggles to deal with everyday life without Nicola. Justin's twins suggest a unique ceremony to farewell their mother and Abi makes a life-changing decision that creates an embarrassing problem for Rhys.

Gemma and Lewis pretend to be happily married when Gemma's mother comes to stay. Kane is responsible for a major stuff-up at the pub. But Justin suspects a more sinister explanation. Mark gambles his future happiness on a risky business venture.

Lewis is jealous when Gemma goes on a yoga retreat with her childhood friend, Damo. Kane is heartbroken when Will's true colours are revealed. When Abi is injured by a violent patient, Mark is forced to change his career plans.

Gemma and Lewis rediscover the meaning of love at Phoebe and Ryan's wedding. Kane finds his Mr Right in the most unlikely place - the school library. Justin has a chance romantic encounter that will send shockwaves through the house husbands community.