Two musicians, Joe (Tony Curtis) and Jerry (Jack Lemmon), are thrown out of work when the speakeasy they performed in-owned by mob boss Spats Columbo (George Raft)-is raided by Prohibition agent Mulligan (Pat O'Brien) and closed. Finally, after three long weeks of unemployment, Joe and Jerry get a gig in Urbana. But first they must get their car out of hock...at the garage chosen by the mob for the St. Valentine's Day Massacre. Hiding behind their car, Joe and Jerry witness the whole thing. Targeted for extinction, Joe and Jerry never show their faces again. There is an opening for a saxophonist and a bass player in an orchestra managed by one Sweet Sue (Joan Shawlee)...an all-woman orchestra. They get the job! On the way to Florida, they meet Sweet Sue's lead singer, Sugar Kane (Marilyn Monroe.