In the Husum coast thriller series, Inspector Ria Larsen (Marlene Tanczik) battles dark secrets amid the rugged North Sea landscape.

Copykiller:
Young Ria leads a chilling probe into dune murders—women made up, coiffed, and tattooed like the work of imprisoned serial killer Eberhard Wernicke. Facing public pressure, skepticism from Mattern, and a psychological duel with Wernicke, she consults reluctant predecessor Elisabeth Haller amid escalating deaths and old entanglements.

The Viking:
Back from rehab, Ria and partner Brandt (Christoph Letkowski) defy orders to investigate a Viking-clad body on Husum beach. Leads point to a teen and secluded Viking village with persistent ancient rituals; Ria races to stop further violence upon identifying the victim.

Death at the Cliff:
Team tensions rise over two deaths—one plunging into the sea near Haller, then a decomposing body. With targeted marine biologist Marina Johansson, Ria and Brandt unravel contradictions and secrets to a dramatic climax.