By accident, Colleen Gibson shoots and kills her gold-digging cheating boyfriend, Dick, a private eye who happens to have a hitman on his tail. Danny the hitman works for his brother-in-law, a cheerful but nasty Irish mobster, hasn't actually killed anyone, and wants to be a singer. He falls for Colleen. she likes him, too. He can solve her problem (Dick's body), she can solve his (meeting the mobster's demands that he kill people like Dick).