The film is a dramatic re-enactment of real-life events that took place in 1968 in the small village of San Miguel Canoa in Puebla, México. There a group of five young employees of the Autonomous University of Puebla intended to spend the night en route to a hike up La Malinche. The group was viciously set upon by villagers who had been manipulated by a local right-wing priest ...。故事讲述的是一个极度危险的精神病人从医院逃出,与常人无异般地在街上随意出入。在杀死一名女子后警方在医生的配合下终于找到了线索,与嫌犯展开了一场貌不惊人却暗藏乾坤的搏斗。。