Christopher fears for his life when his movie, "Cleaver," heightens the tension between him and Tony; Johnny Sack goes to the doctor to see if his cancer treatments are having any effect; the battle for control of the New York mob takes a deadly turn, with Silvio right in the middle of the battle; and the romance between A.J. and Bianca may be on the rocks. Stars James Gandolfini, Michael Imperioli, Vince Curatola, Dominic Chianese and Steve Van Zandt.