It follows Becca, a forensics expert who, when investigating a murder, realizes that the body of the victim looks exactly like her.

　　It follows Becca, a forensics expert who, when investigating a murder, realizes that the body of the victim looks exactly like her.

贝卡是一名法医专家，在调查一起谋杀案时，她发现受害者的尸体看起来和她一模一样。

Ayoungwomanobsessedwithhorror,subjectsherselftotwelvehoursofgruellingtormentinanattempttoconfrontherownfearsandconquerthetragicpastwhichhauntsher.

还在念高中的Sarah正值低潮，她逃家却发现自己没有人可以依靠，同时又被反复出现的可怕恶梦所苦。很幸运的，正好有一所大学在进行睡梦研究，Sarah不但可以安全地睡觉，还可以获得报酬，更意外的和负责研究实验的科学家Jeremy（蓝顿莱柏隆饰）成了知心好友。参加实验让Sarah的恶梦更加剧烈，梦中的影子生物似乎更加强大。随着黑暗的脚步越来越接…