Chicago evidence detective Wayne Dobie (De Niro) is shy, soft-spoken man who hasn; t drawn his gun in fifteen years. His fellow cops have jokingly nicknamed him "Mas dog for his lack of gults. But when Dobie inadventenly saves the life of Frank Milo (Murray). a local gangster and loan shark who moonlights as astand-up comic, he becomes the unwilling recipient of an unusual thank you present a beautiful young bartender named Glory (Thurman) for one week. Before the week is out, the two have fallen deeply in love.