一名年輕美國女子被派往羅馬、展開服侍教會的人生，卻接觸到了令她質疑信仰的黑暗力量，并揭露惡魔轉世的可怕陰謀。

　　一個陷入瓶頸期的女演員，一個北京胡同孤僻老炮。一個姥姥帶大的熊孩子，一個失敗中年男人。這分別來自北漂，留守，離異，孤寡的四個人因為一場騙局被迫組成臨時的完整家庭。自此上演一段雞飛狗跳、笑淚交織的人間悲喜劇。他們在理想與現實中困頓，在希望與孤寂里掙扎。在這臨時的親情里回望各自真正的血緣。而在歡聲笑語的身后，又有多少不為人知的傷心往事..

　　Upon their mother’s death, siblings Jenny and Marshall return to renovate her crumbling motel, The Jolly Monkey. But as they work, a deadly force tied to their family’s dark past emerges, forcing them to face terrifying truths if they want to survive.

　　In New York City, potent strands of bath salts have surfaced and have attracted the most devoted bath salt junkies. A young aspiring chemist has developed an even stronger batch... but something has gone horribly wrong.