Simon Henderson is at boarding school in Canada while his father works in Hong Kong, and his mother lives in England. When his parents visit him in the holidays, Simon discovers that his mother has schizophrenia.
Fifteen-year-old Sarah is at a crisis point in her life — she has to cope with deafness, her mother's boyfriend, peer group acceptance and an increasing sexual awakening.
Two crooked gallery officials swap a Picasso for a fake hoping to make a fortune. When thieves break into the gallery to steal the Picasso, an amusing chain reaction snowballs into a hilarious romp.