匿名戒毒小组的三名成员发现自己身处一个致命的密室，被迫面对最致命的挑战——他们的过去。
Allen Meneric is committed to a psychiatric institution for the criminally insane because of a brutal revenge murder. There he is forced to deal with the very ill and the dangerous until, as part of a socialization program, he is transferred to minimum security where he meets Mia, a beautiful bipolar female inmate. Ever haunted by his past, Allen seeks his redemption when sudden events demand that he protect Mia from the violence and chaos of the institution.
讲述一个看门人被困在一个女厕所，遇到一批僵尸的攻击……
