Artyom (Pyotr Fyodorov), a simple provincial builder and aspiring writer, meets Lera (Paulina Andreeva), a wealthy Moscow girl spending the summer at her parents' seaside villa. They enter into a passionate, whirlwind summer romance, but Lera's elite family forces her to marry a wealthy, middle-aged business partner of her father. Meanwhile, Artyom marries an older, rich woman out of spite and ambition. Unable to stay apart, Artyom and Lera resume a dangerous, clandestine affair that quickly escalates into obsession, deceit, and violent crime as they attempt to eliminate anyone standing in the way of their life together.