The task force is thrown for a loop when they encounter a nefarious enterprise that provides doppelgängers for criminals. Red scrambles to counteract a bold move by Liz.

Red and Dembe land in peril when Townsend deploys a torture specialist who uses unorthodox methods to interrogate her victims.

In a retrospective look at key turning points, steps are retraced that lead Elizabeth Keen to align with a powerful enemy.

The Task Force hatches a plan to steal a Soviet-era cipher machine needed to decrypt coded messages. Townsend puts Liz's loyalty to the test. Red and Dembe are called to an unexpected meeting.

Liz and the Task Force track new leads in their investigation of N-13, while Red takes steps to infiltrate Townsend's criminal organization.

Red tries desperately to rescue an old friend at all costs, while Liz and Townsend conduct an interrogation.