由于被陷害参与暗杀，失落的忍者家族必须以自己的方式对抗地下核掩体中的超自然强敌——变异者和食人僵尸。　　被围困在地下千尺，忍者们将直面地狱......

David and Hannah Cashman have promised their family a fun Christmas getaway, but when they arrive at a grand, old house in the snowy woods of Washington and are greeted by familiar construction forema...