Chief Inspector Cyrus Doyle investigates in breathtaking landscapes. A dead woman is found on the beach in the picturesque Rocquaine Bay. The murderer has left a message on her skin. Cyrus Doyle and his colleague Pat Holburn are faced with a mystery. When it turns out that the jogger who discovered the artist's body had an affair with her, Cyrus Doyle becomes suspicious. And what is the beach warden, who was in the bay at the time of the crime, hiding? Ultimately, Cyrus Doyle and Pat make a shocking discovery.