Gus Hilmer, a moneyed garage and junkyard owner, falls in love with and marries a showgirl named Julie, who's many years younger than he, and this causes tension between Hilmer and Frankie, a young auto mechanic whom he has befriended.
Ex-con turned private investigator Bradford Galt suspects someone is following him and maybe even trying to kill him. With the assistance of his spunky secretary, Kathleen Stewart, he dives deep into a mystery in search of answers.
Police Lt. Leonard Diamond vies to bring a clever, well connected, and sadistic gangster to justice all the while obsessing over the gangster's girlfriend.
An insurance man wishing for a more exciting life becomes wrapped up in the affairs of an imprisoned embezzler, his model girlfriend, and a violent private investigator.