就读于某医学院的奥利维娅·“丽芙”·摩尔（罗丝·麦克莱弗 Rose McIver 饰）学业精进，甜美可人，她原本拥有美好光明的人生，谁知一个反常的决定彻底颠覆了她既定的命运。经不住同侪的劝说，她参加了一个在轮船上举行的狂欢派对。可是派对上一种神秘的药物令所有人变成了嗜血如命的狂暴丧尸。次日一早，奥莉维娅从裹尸袋中坐起，她明明已经死去，如今则以丧尸的身份复活。外貌和气质的巨大转变以及可怕的遭遇令家人手足无措，而身体内对脑子的渴望也让她焦灼不堪。为此奥莉维娅在西雅图验尸官办公室谋得一份职业，从此她有了稳定的食物来源，与此同时她发现自己也顺势拥有了死者的记忆……
本片根据CW电视台与DC漫画合作的同名漫画改编。
After defeating the aliens and saving Earth, the Legends find themselves stranded in 1925 Odessa, Texas with a destroyed Waverider. Wanting to help fix things, Astra tries using her powers, unwanted attention from the town and that of the new Director of the Bureau of Investigation, J. Edgar Hoover, and a surprise no one expected. Realizing they need to escape, Sara and Ava create a distraction by going on a crime spree with Hoover hot on their tails. Meanwhile, Zari is finding it hard to get over Constantine, so Behrad suggests the only thing he knows that can help.
