本剧以藏汉三代人的曲折命运为主线,通过兄弟情仇、江湖恩怨、家国情怀的情感纠葛,真实感人地再现蔵汉民族在特殊历史背景下,为坚守心中的大情大爱大义所付出的牺牲,谱写了一曲民族团结之歌。。In the shadows of a highly contagious virus, a normal family seeks shelter in the safety of their own home during a nationwide LOCKDOWN in which MARTIAL LAW is declared. With nowhere to go and danger approaching from outside. The family is forced to confront the evil that terrorizes them from within before it consumes them all.。