Malcolm is a chronically shy mechanical genius, who has just been fired for building his own tram. He gets Frank, who has just been released from jail, to move in to help pay the bills. With Frank's help, Malcolm turns to a life of crime.
Amy's father, Franco, was a popular rock musician accidentally electrocuted while performing on stage. The psychological trauma leaves Amy mute and deaf. So the 8-year-old is brought by her mother, Tanya, to Melbourne to diagnose the reasons for her continued silence.
