15岁的艾利克斯来自一个天主教家庭，希望将来能成为牧师。但当他发现一个神秘的盒子之后，无意中释放出来一个一心要占据他的恶魔。艾利克斯必须找到办法打败这个一直在折磨儿童的古老的恶魔，否则就会毁掉他和所有他爱的人。

15 year-old Alejandro Duran, who comes from a religious Latino family, aspires to one day be a Catholic priest. But when Alex discovers a mysterious box he unwittingly unleashes a demonic spirit bent on possessing him. Alex must find a way to defeat this ancient demon, which has been tormenting children since the dawn of man, before it destroys him and everyone he loves. On the surface Devil"s Whisper is a supernatural horror film about demonic possession but at its core it"s a psychological thriller about repressed memories, childhood trauma and the cycle of abuse.