The Fjällbacka Murders: The Coast Rider

The film follows the young coast guard and diver Jessica, who discovers two dead scuba divers after a storm. Dismissing the official conclusion of an accident, she enlists the help of her childhood friend Patrik. Accompanied by his partner Erica, they find themselves entangled in a complex investigation that reveals a connection to a historic shipwreck from the 1820s.

As the trio delves deeper, they face a series of challenges, including Erica's concealed identity as a policeman's wife, which adds an intriguing layer to the narrative. The plot thickens when the chairman of the museum association is found murdered shortly after their first meeting. With multiple victims linked by their interest in the shipwreck, the investigation unfolds, raising questions about the ship's cargo and the circumstances of its sinking.