Moritz’s reputation takes a hit. After discovering a troubling email, Lenny confides in a new friend. Jens enlists Moritz to crack a password.
Ulrich runs afoul of the law, Helge tries to dodge Egon Tiedemann, Claudia harnesses the cave’s powers, and Katharina lashes out at Hannah.
In 1953, the disfigured bodies of two boys are exhumed at a construction site, the future location of Winden’s nuclear power plant.