Two brothers, Johnny (Patric Doonan) and Ted (Bryan Forbes) work in their disabled father's garage. Johnny is the hard working brother and takes time to care for his father while Ted is a drunk and a womaniser. The two brothers have a strained relationship which deteriorates further when Ted introduces his girlfriend, night club singer Lucky (Sandra Dorne) to Johnny. Family life becomes more complicated when police search for the unknown killer of a man in a dance hall fight, and then by a bookie pressuring Ted to pay his gambling debts.