As Ray fights for his life after a mysterious poisoning, Maximus and his team discover that the island hides Soviet secrets and remains of the MIR station. Nazareth and Jota find a nest of unknown creatures, while America steals the emerald from the box. With the food rationed and mistrust growing, the group's survival hangs by a thread.
           
   

Ray's body mysteriously disappears, sparking panic at the base. As the group divides between those who believe he is dead and those who think he is still alive, the security footage reveals the truth: Ray has risen alone and disappeared in the dark. With tension to the limit, the fight for survival becomes even more frightening.