While Operation Mafia Capitale returns to prominence with its investigation into a public transportation scam, the team investigates the murder of a convicted felon after a woman courageously provides a sketch of the killer. Meanwhile, Claudio Sabatini begins to suspect that Vanessa may have betrayed him.
Roberto Ardenzi and the Mobile Squad have an ace up their sleeve and decide to use it to set a trap for Claudio Sabatini. Meanwhile, however, a customer, exasperated by a loan refusal, takes the entire bank hostage after stealing a gun from the security guard. Among the hostages is Riccardo, who manages to alert the Squad.
