凯特（达比·坎普 Darby Camp 饰）和泰迪（尤达·刘易斯 Judah Lewis 饰）是一对情同手足的兄妹，两人之间的关系非常的亲密。虽然周围的朋友们都告诉他们，圣诞老人是假的，根本不存在，但他们还是决定在平安夜用相机拍下圣诞老人（库尔特·拉塞尔 Kurt Russell 身上）的身影，以证明他们的朋友们是错误的。
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.
