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, which creates 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.
号称“红魔”的雷蒙德(詹姆斯·斯派德 James Spader 饰)一直以来都是联邦调查局通缉名单上的“常驻人员”,某一日,这位控制了犯罪市场中大部分信息与资源的传奇人物突然现身自首,并且声称能够提供关于恐怖分子兰科(Jamie Jackson 饰)的最新线索,条件只有一个,那就是让初出茅庐的菜鸟探员莉兹(梅根·布恩 Megan Boone 饰)做他的搭档和联络员。 雷蒙德的种种举动让联邦探员们手足无措,他们既急需雷蒙德所掌握的线索,又无法相信这个有着重重黑暗历史的男人。雷蒙德的真实意图何在?他又为何偏偏选中了看似单纯的莉兹作为搭档?和传奇人物合作的这一段经历,对于年轻的莉兹来说又代表了什么呢?