Gianna Amicucci works in the house of the head of her hometown police force and enters the academy with a kickback from him. She is a beautiful woman (she generously sheds clothes during the film) and has to overcome her male colleagues prejudices, but she gains their respect through a series of brilliant operations.
Belle Duke, in order to get revenge on her former lover Philip Bang, organizes his jail break. But instead of Philip, it is the Italian Felice Brianza, AKAS Felix, who escapes. Now Felix is obliged to help Philip to escape. He succeeds and the two join to defraud Belle. The swindle plot become more complicated when Felix falls in love for Philip's daughter.