When a young woman's murder shows similarities to a decade-old cold case, (a cruel and gruesome murder of a young student, which remains unsolved) a new Police Commander (Commissioner Michal Trela) must break the silence permeating an Owl Mountain town. Years later another crime is committed similar to the decades old cold case. Commissioner Michal Trela faces a wall of silence...。一群普通人被招募来做一个人类行为学的实验,研究者给他们每个人都分配了一个角色,一组人扮演囚犯,另一组人扮演狱卒。实验的目的是想看看这样分配角色、权力会对参与者产生怎样的影响。。