Tamayo's breaches of protocol surprise the Professor. Bogota calms Denver's anxieties. With time running out, Palermo initiates the "Flipper" plan.

The Professor shocks officials with his latest stunt, but in response, a new inspector rattles Raquel. Palermo and Nairobi get into a heated argument.

Anger and grief heighten tensions between the group. The Professor, while in mourning, attempts to make a daring and dangerous escape.

Denver turns to an undercover source for help. Nairobi attempts to motivate her team as the danger around them intensifies.

The group reels following the attack on one of their own. The Professor puts his adjusted plan in motion with the help of new recruits and Palermo.

The Professor faces off with Sierra as Tamayo raises the stakes of the negotiations by calling the army. In the past, Berlin meets with a family member.

A betrayal and an emergency both catch Sierra by surprise. Palermo rallies the troops as the army closes in on the gang.

While surrounded by gunfire and trapped in the kitchen, Tokyo reminisces about her first love and her initial encounter with the Professor.

Sierra takes advantage of the Professor's grief and gains the upper hand. Meanwhile, the team deals with the emotional fallout of their dead friend.

The Professor is left reeling after his tactics are used against him, and when it seems like all hope is lost, he makes a bold decision.