In an attempt to launch their careers, two young actors investigate a disturbing viral video of a French psychic's prophecy. As they shed light on the mysterious footage, their journey will test their friendship, threaten their lives and reveal a most troubling secret.

瑞克（威尔·霍纳夫 Wil Horneff 饰）的母亲玛格丽特（海伦·谢费 Helen Shaver 饰）是一位研究灵长类动物的专家，在她的实验室里，养着她的研究对象——猩猩凯蒂。一次偶然中，瑞克在母亲的实验室里发现了凯蒂，两个纯洁善良的生命以平等的姿态开始了最初的交流。靠着手语，瑞克和凯蒂很快就成为了朋友。凯蒂的主人在马戏团工作，因为手下负责…