Bobbie's children never listen to a word she says. Even worse, her mother has a new boyfriend: the notorious child expert Dr Know, who dishes out hard-line advice to the nation. Could parenting classes control her kids - and save her marriage?

Andy's wife is due to run a Perfect Parents course at the local school. But when she scarpers, he's left to look after their two teenage daughters - and face his own childhood demons.

Vanessa has found love, second-time round. But one night, six-year-old Sunshine is deposited on her doorstep with a message from Vanessa's estranged daughter, 'Please look after her'. This time she's determined to get it right.

Can Bobbie, Andy and Vanessa really learn the secret of raising a happy family?