Kerttu is assigned to a gym due to back problems, where it turns out she is a genetic super-talent. Suddenly, she finds herself aiming for an incredible goal: a fitness championship.

Witness the Fitness

In a remote area, there is an island that is the subject of a horror story about a child who was expelled there after an atrocity. No one believes the child survived the first winter, but legend has it that even today those who go there never return. Twenty-year-old Mia has just experienced shock and disappointment in her relationship, and after hearing the story, she manages to lure a few thrill-seeking friends to join her for a day of boating, camping and exploring the legend of the island. Once on the island, they face their doom one by one.