Prince of the City

Based on a true story, this gritty police drama from director Sidney Lumet stars Treat Williams as Daniel Ciello, a New York cop who agrees to help the feds expose corruption within the department. Overcome with guilt, Ciello struggles with his betrayal and, before too long, begins to crack under the pressure. Filled with impressive performances, this thriller also stars Bob Balaban, Jerry Orbach and Lance Henriksen.