Lona Vogt is a target investigator and, together with her friend and colleague Simon Katzer, has been on the trail of the murderer Manuel Bove for some time. Then the body of a young woman is found in the Wadden Sea near Husum.
| Actor | Role |
|---|---|
 Christiane PaulLona Vogt | Lona Vogt |
 Martin WuttkeManuel Bove | Manuel Bove |
 Devid StriesowLars Frick | Lars Frick |
 Stephan KampwirthTim Struwe | Tim Struwe |
 Elisabeth TrissenaarAnke Timmann | Anke Timmann |
 Jürgen HentschGeorg Hallhoff | Georg Hallhoff |
| HHans HohlbeinHelge Jacobs | Helge Jacobs |
 Rudolf KowalskiCarl Rissen | Carl Rissen |
 Rolf BeckerOlaf Lange | Olaf Lange |
 Marcus MittermeierSimon Katzer | Simon Katzer |
 Katharina AbtDr. Schorlau | Dr. Schorlau |
 Bjarne MädelMatthias Brook | Matthias Brook |
 Stephanie JappMia Lauters | Mia Lauters |
 Gerhard GarbersKarl Willmer | Karl Willmer |
 Astrid PosnerPaula | Paula |