Sonny and Dede are injured in an explosion; Gold convinces Joe to testify against Ricci.
The FBI questions Joe's allegiance; Sonny attempts to keep everyone calm.
Gold busts Joe for Dominick's murder; Caesar orders Sonny to kill Lucky.
Blood is spilled as the war between Sonny and Caesar escalates.
Sonny is ordered to kill his own uncle; Amanda is expelled from school.
A confidence man discovers Joe's identity; Ricci passes over Sonny for new underboss.
A cocky FBI agent's miscue puts Maggie and the children in jeopardy.
Joe continues to infiltrate the family; Maggie is involved in an accident.
Joe Pistone is an undercover FBI agent posing as ambitious young mobster Joe Falcone; inspired by the book "Donnie Brasco: My Undercover Life in the Mafia."