As a child, Michael Walker wished every day could be Christmas. That is, until a tragic accident crushed his holiday spirit. Thirty years later, Michael still can't muster any joy for the holidays, despite encouragement from his playful wife and well-intentioned parents. But when his young son faces a tragedy, Michael needs to make amends with his past. A mysterious man named N...。本剧讲述神秘僵尸病毒席卷、并摧毁美国三年后,一群日常英雄,护送最后一名感染病毒却未发病的幸存者从纽约前往加州最后一个病毒实验室的故事,唯一一个还能用的病毒实验室在那,需要使用他的血.他携带着世界上仅有的抗原,是制作疫苗的唯一希望,他隐藏着一个黑暗的秘密,将会威胁到他们.。