12-year-old Mully has lost his mother and discovers his debt-ridden father stealing the charity money they've raised in her name. Grabbing the cash, Mully steals a taxi and is shocked to find a woman, Joy, in the back seat with a baby. A straight-talking solicitor who didn't expect to get pregnant, Joy is struggling with motherhood and planning to give her baby to a friend who will raise the child as her own. She joins Mully on a wild journey across Ireland, stealing cars, hitch-hiking, catching ferries and breaking police barricades.

Sisters September and July share an intense bond, speaking in a secret language and keeping the outside world at a distance. After September is suspended from school, their mother brings them to a remote house on the Irish coast—where July begins to resist her sister’s increasingly sadistic control.

Holly is a young, courageous hedgehog, but woefully sheltered by her overprotective Dad. Walter is an overworked, exhausted rabbit with a few dozen kids of his own, who just wants a change in his predictable routine. When this unlikely duo crashes into each other’s lives, things take a drastic turn. After a bump to the head Walter now believes that he is Sir Balderdash the Great – a hero, a warrior, a legend. While Holly, who is just thrilled to be out of the house, gets swept up in Walter's concussion fuelled fantasy.