Cold Shores(2019)

Cold Shores is a Russian crime thriller that weaves together a missing person case, serial murder, and a fractured marriage across seven years. When wealthy heiress Maria Sorokina vanishes after a fight with her husband Mark, detective Alina Novinskaya—a rookie assigned by her police chief father—discovers a maniac is strangling young women resembling Maria. The investigation draws Mark and Alina together, and they eventually marry. Years later, Mark encounters a woman who is Maria's uncanny double and abandons Alina to pursue her. As murders resume in town, Alina returns to detective work, determined to catch the killer. Her investigation uncovers a shocking truth that reshapes everything she believed about the past. The series balances psychological suspense with emotional drama, exploring obsession, identity, and the cost of unresolved trauma.