In the city of Detroit, a bored and unhappy university professor named Clifford Skridlow leads a monotonous and emotionless life. However, everything changes when he is drawn into an underground world of crime and seduction. It all begins when a group of prostitutes mistakes him for a feared gangster, Doctor Detroit, who is known for his relentless way of dealing with criminals and protecting women from their exploitation.
Suddenly, Clifford becomes the unexpected savior of these women, who convince him to assume the identity of the notorious criminal to save them from a dangerous network of pimps and mobsters. As he delves into this new role, he discovers that he enjoys the thrill of his new life, but he also has to deal with the complications that arise from maintaining his double identity.
With time running against him and the pressure from criminals looming, Clifford begins to undergo a transformation. From his conservative lifestyle to his interactions with women, he feels increasingly comfortable in his skin as Doctor Detroit. However, the situation complicates when the real Doctor Detroit appears, threatening not only his new identity but also his safety. Amid laughter, danger, and a touch of romance, Clifford must decide whether to return to his old life or stay in this outrageous adventure he never imagined he would live.