Top Stasi agent Kleo Straub liquidates a target in a West German nightclub. Soon after she must face a life threatening 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.
After Andi is wounded by Kleo, a double agent prevents him from unpacking the conspiracy behind the red suitcase. Sven, Kleo and Min move in on a mole.