Plot Summary:Unhinged tells the story of Karen, a forensics student who has just found out her best friend from high school has been brutally murdered. While her boyfriend David attends college in another town, Karen decides to rekindle her relationships with her other friends from high school, including her ex-boyfriend Chris. Soon, the others become victims of the same serial murderer and it falls to Karen and Chris to try to stop the murders before they themselves become victims.
不告诉凯伦真相，法医学生，已经找到了更好的女孩的朋友从高中被残忍杀害。而她的男朋友戴维在另一个城市读大学，凯伦选择让她其他的朋友从高中的关系，如女孩的前男友克里斯。很快，另一人就成了一个完全相同的连环杀人犯，并对凯伦和克里斯进行了测试，以防止他们在他们身上被杀害。