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.

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.

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's life starts to unravel as he struggles with new crises at home and work. Poker night turns dangerous when Dimitiy's husband learns of her affair with Justin. Abi becomes suspicious of Gemma's sudden secrecy.