This is the story of Iris, a ballet dancer who is driven to start the search for Otis, an old friend she hasn't seen in years. Her investigations take her to a psychiatric hospital where Otis has been hospitalized for the past ten years. Once there, the people in charge of the center warn him that his friend has developed a mysterious alternative personality, which however they have managed to block thanks to drugs. Following Otis 'release, doctors warn Iris about Otis' unpredictability and possibly violence and the inability to keep him in the medical center any longer. After both suffering a violent episode, Otis' alternative personality, Soul Man, takes control of the situation and proposes to Iris that they both become urban vigilantes to change things that do not work well in our society: crime, abuse, corruption , sale of drugs ... one by one, criminals will meet our protagonists. However, they both go too far and encounter very powerful criminals who are well connected with strange entities that control our world. Iris and Otis understand that there is no going back and that they will have to flee far if they want to protect their lives. Before succeeding, they must come face to face with "The Voice", an evil entity that makes them a proposal to work with both of them, but Otis and Iris refuse and then a persecution will begin that will force Otis to discover who he really is. . The final climax will leave Otis, our protagonist, alone against all these criminals in a final battle that will clear all the questions that he had asked himself during all his years of confinement.