Lewis faces losing one of the most important people in his life – his grandson, while Justin struggles to provide for his family. The Crabb house is bursting at the seams with Phoebe and Jem in the mix, when Gemma’s mum Wendy arrives on their doorstep. Lewis and Gemma are so frazzled they forget Tilda’s birthday, so cobble together an ad-hoc party which is overshadowed by rival school mum Dimity. Meanwhile Justin and Nicola are crammed into a one-bedroom rental and need a new house to live in. The House Husbands leave Tilda’s disastrous birthday party to try and buy Justin a house, but get held up - at gunpoint. Back at Tilda’s party, the kids are bored and Gemma’s mum Wendy drops a bombshell. After their pregnancy scare at the end of Series 1, it’s been decided Mark needs a vasectomy. Ultimately, Abi realises she does want another child, and races in to stop the surgery.

When renovations of his house go awry, Justin’s struggle to provide for his family escalates. The House Husbands are in full swing renovating Justin’s new place when Mark, struggling with male insecurities around not getting Abi pregnant, over-compensates. He smashes the wrong wall – revealing asbestos. Justin’s in no financial position to deal with this, but with Mark’s help finds an innovative way to raise the cash. Meanwhile Lewis is forced to admit he really has become good friends with Kane. He sees Tom with another man and decides to act on it.

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...

A surprise arrival turns Kane's life upside down. Justin's romantic gesture to Nicola doesn't go according to plan, while Lucy's relationship with her new flatmate becomes a little more complicated.

A day of triumphs ends with a tragedy that will change the house husbands' lives forever. Mark is hoodwinked by Justin into employing Nicola as his personal assistant, but Nicola's inexperience threatens his career and friendship with Justin.

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.

Lewis' world is rocked when Gemma ends up in a compromising position with her ex-neighbour. Justin needs Lucy to help with the legal issues arising from Nicola's death. The gang are forced to run the school tuckshop after the manager quits.

Justin faces the reality of his new life as a single parent, while Abi takes in an unwanted houseguest. Gemma and Lewis have problems in the bedroom.

When everyone bails on poker night, Lewis worries the House Husbands are drifting apart and announces they should go camping. Out in the bush, work-obsessed Mark puts his and the other House Husbands' lives in danger.

Kane is tested when he is reunited with his school bully. Things become more complicated for Kane when Finn reveals he wants to be placed with another foster family.

Justin drops a bombshell on the house husbands community. After being arrested and losing her job, Lucy faces the biggest romantic decision of her life. Pregnant Abi develops an unhealthy obsession with school graduation day.