Lance Reed is forced by a psychotic stranger to confront his duplicitous past. Seeking retribution for a crime, the man forces Lance to reveal his inner most secrets by systematically removing his limbs.

圣诞节前一周，一场病毒爆发，将洛杉矶市民变成了行尸走肉。洛杉矶警局警官弗兰克·塔尔博特正准备与妻子和多年的搭档断绝关系，却发现自己不得不与他们一同被困。随着死亡的逼近，两人同时爱上同一个女人，这让他们的生存更加岌岌可危。