海伦（琳德西·冯塞卡 Lyndsy Fonseca 饰）是一名科学家。一天，她接到了一通来自自己的神秘电话，随即便深陷于危险之中。迫不得已之下，她不得不闯入一个高度机密的设施并穿越时空回到过去，阻止一场谋杀。

A bullied teenager is sent to a reform school where he accidentally summons the spirit of a girl, herself a victim of bullying, who takes vengeance on his tormentors.

A young woman is sent to Paradise Hills to be reformed, only to learn that the high-class facility's beautiful facade hides a sinister secret.

A troubled college freshman resurrects his imaginary friend to help him cope with a violent trauma.