Mary, Poly, and Alex are university students who live together in the same apartment. One day, an unexpected guest arrives, who claims he knows Alex, by mentioning what he studies, does in his spare time, and even his future ambitions. As Poly invites him in and they start to talk, things start to get creepy, as we learn some dark secrets about him. Would Alex have a friend like that? Or was he a complete stranger? Tune in to find out!