Top Stasi agent Kleo Straub liquidates a target in a West German nightclub. Soon after, she must face a life-changing betrayal and a heartbreaking loss.

With Min and Uwe on her tail, Kleo bribes a little girl to deliver a poisoned Bundt cake to Mielke's jail cell. After a showdown, Kleo digs up a letter.

Severely wounded in a shooting, Kleo has a revealing flashback. With the ominous red suitcase seemingly in hand, Sven shares a devastating truth.