On the Edge is an urban action movie. An ex-police officer decides the corrupt police are not doing their job. After leaving the police force a man becomes a private investigator and retires from that. He now works in community service. He runs afoul of a local gang when he helps a young man get away from them and their drugs. The police will not help, even when the gang kills a family, the wrong family. This is a story where an urban hero steps in and helps when the authorities either cannot or will not do the job at hand.