After the mayor of an idyllic island village discovers a child with mysterious powers awash on their shores, the once peaceful community devolves into civil war, torn over the belief that the child is the next saviour.

　　格雷厄姆（罗比·阿梅尔 饰）打算圣诞节回小镇给家人一个惊喜，结果发现他的前未婚妻艾莉（莉顿·梅斯特 饰）已经在和家人一起庆祝圣诞节了。