Strange things are happening around the Hallig Nordersand: ships are reported missing, numerous seabirds lie dead on the beach. While some locals remember the legend of the witches' hole in the North Sea, others suspect an impending natural disaster or the effects of an industrial project.
| Actor | Role |
|---|---|
 Hannes JaenickeTom Jaeger | Tom Jaeger |
 Bettina ZimmermannMarie Nicklas | Marie Nicklas |
 Karoline EichhornHannah Wensberg | Hannah Wensberg |
 Gudrun LandgrebeClaudia Schelking | Claudia Schelking |
 Josefine PreußSara Wensberg | Sara Wensberg |
 Bernadette HeerwagenBritt | Britt |
 Max HerbrechterMichael Bühring | Michael Bühring |
 Kai LentrodtSven Pörkens | Sven Pörkens |
 Hannes HellmannTorben Karlsberg | Torben Karlsberg |
 Rainer SellienClaas Jensen | Claas Jensen |
 Alexander WüstMike | Mike |
 Walter KreyeBürgermeister Leif | Bürgermeister Leif |
 Peter PragerProfessor Conrad 'Conny' Petersen | Professor Conrad 'Conny' Petersen |
 Niels-Bruno SchmidtRick | Rick |
 Jorres RisseLauenz | Lauenz |
 Arved BirnbaumRudolf | Rudolf |