When nurse Ann Venables goes to Africa to help out with a disaster relief effort, she leaves her teenage children in the care of her ex Jimmy and her mother Diana. The kids try to exploit the fact that the easy going handyman and his posh ex-mother-in-law cross swords at every turn ultimately leading to be adults realisation thats to survive Ann's absence, the kids need them both.

Jimmy overcompensates for his previous failings as a father by letting his kids throw a party. Knowing Diana would completely disapprove of this, Jimmy agrees not to tell her and keep her away from the house on party night. Under the pretext of seeking advice on matters "too personal" to discuss around the kids, he invites her to dinner. At Diana's favourite restaurant, Jimmy discovers that while he and the kids have been sneaking around behind Diana's back, Diana has been sneaking around theirs.

After Jimmy's van and all its contents including his tools and his jacket with his keys in the pocket gets stolen, Diana insists they change all the locks. This leads to a stand off between Jimmy's laissez faire attitude and Diana's belief in the heat of battle about whose house this is, Diana reminds Jimmy that since she and her husband gave Ann the deposit on for the house, the place is partly hers.

Jimmy's money problems are getting out of hand and he has to nick the kids money on the sly, until he gets caught by Diana when he is in financial trouble at the bank,

Jimmy loses at a pub quiz and he has asked Diana to help out to win the pub quiz, and Diana goes along with Jimmy for a fun night out with her ex-husband. Molly stays out for the night with a friend but she gets back in the early hours of this morning.

Ann's partner Dr. Howard Banks come back from Africa to raise funds for the relief work. Jimmy instantly dislikes him, but the rest of the family like him. Howard tells Diana that he and Ann want Molly and Alex to go and live with them in Africa. Meanwhile, Molly has got a job working at a chip shop but she hates it and soon wants to leave