Hugo Buckton seems to have it all: He is apparently rich and has a beautiful wife and a doting son. In actuality, though, Hugo is having money problems and is paranoid that his wife is cheating on him. After a boozy night at a party, Hugo hits and kills a woman with his car -- and at his friends' urging, keeps driving. When Hugo starts receiving letters from someone who knows about the accident, he begins to suspect that he has been set up.
After the mobster who murdered his partner is acquitted, semicorrupt detective Robert Bryant hires a beautiful female assassin, Maria, to kill him. When he discovers that he cannot afford Maria's services, Bryant is forced to hire another assassin, Madison, to kill her. Maria survives the doublecross and sets out to collect what's owed to her, one way or another.