Ruby Ryder is a struggling actress, reliant on bit parts and walk ons. When her husband is arrested and jailed for armed robbery, Harry Starks decides to help out financially. In return, she promises to give Harry's young boyfriend Tommy some acting lessons. After a party, Ruby and Tommy end up sleeping together, and Tommy becomes completely infatuated with her. And when bent copper Geroge Mooney finds out, he used this to his advantage to blackmail Ruby.....