Tres amigas de la infancia se reúnen en un islote para pasar un agradable fin de semana. Los problemas comenzarán cuando se den cuenta de que no están solos. Three women who were good friends in the past get back together for the first time since they were kids to spend time on an island called Black Rock. They meet some local hunters and find out they know one of them from when they were children. After inviting them to join them in a few drinks on the beach, the atmosphere changes into one of panic and horror as the situation and friendships are turned on their head in a brutal confrontation.