Five strangers are kidnapped and brought to a mysterious house in the woods, thrown into a cell and stripped of their belongings. They soon learn that the house is occupied by a bizarre, violent brotherhood, in the last phase of initiating five new recruits. The final test of initiation? To fight a man to the death. Led by Simon, an ex-Marine haunted by past failures, each hostage must fight a recruit in order to gain his freedom. Kill...or be killed.