At first glance, Pola has everything she could dream of: a caring husband, money, a beautiful home. For full happiness, there’s only one thing missing—a child. But Tommy, for some reason, doesn’t share her enthusiasm about that. When Tommy gives Pola tickets for a cruise liner, she is thrilled. Her husband not only decided to strengthen the marriage, but even promised to discuss having children! There it is—the embodiment of the dream of a wonderful new life! A luxurious cabin aboard the “Ruby Spirit,” a spa and restaurants, starfall skies and mesmerizing northern lights… But the exciting sea voyage almost immediately turns into a nightmare: trouble follows trouble. Does someone on the liner want Pola harm?