The story centers on Kakeru Nishizawa and Mami Sakaniwa, two people who find each other through a dating app, and decide soon after to get engaged. After their engagement, Mami suddenly disappears. In trying to find her, Kakeru must confront a side of Mami's past that he might not have wanted to know.
Kazuyuki Kuga aspires to become an actor. He auditions for the lead role in a theater company's next work. Among the 300 people who take part in that audition, only 7 people are selected for a final audition round. Kazuyuki Kuga is among the final 7 participants. These 7 people then travel to a snowy mountain villa and stay there for 4 days to take the final audition. By the director's orders, all contact with the outside world are not allowed. Soon, the participants begin to disappear one by one.
A suspense thriller about two men, one of whom tells his darkest secret to the other, and the ensuing fight for survival between the two in a snowbound hut.
