一位名叫“公主”的洛杉矶女商人为了养活自己和她年幼的女儿,在她被汤姆·沃尔什探员和他的缉私队的帮助下,帮助他们逮捕了一名名叫“金格”的妓女的残忍皮条客。但当Ramrod得知自己被安排好后,他从警察的拘留中逃脱,开始了一个漫长的夜晚,追捕公主,而沃尔什和他的副队总是紧跟在他身后。A Los Angeles businesswoman, known only by her street name of Princess, turns to prostitution to support herself and her young daughter when she's forced by Detective Tom Walsh and his vice squad to help them arrest a brutal pimp named Ramrod for the murder of a prostitute named Ginger. But when Ramrod learns that he was set up, he escapes from police custody and begins a long night of tracking down Princess while Walsh and his vice squad are always one step behind him.