In Philadelphia, Trevor explores one of the bloodiest periods in the long history of the Mob, sitting down with Ralph Natale, the first Mafia Godfather to ever speak on television. In an extraordinary interview, Natale spells out to Trevor just how ruthless a boss must be to control the men under him. In New Jersey, Trevor seeks out Ron Previte, a Captain who spent years playing both sides of the Mob fence for millions of dollars.