“世界存在，世界消亡。一切都会不一样了。”

莎拉，雷和米克震惊地发现，传说已成为著名的。传奇们发现他们的新问题是拉斯普廷。康斯坦丁认为他知道新时间信号的原因，并告诉球队，这不会是容易击败。

当一个新的光点降落在1947年的洛杉矶传奇，它把他们的踪迹本杰明“巴格西”西格尔似乎以与好莱坞精英的亲密关系为乐。莎拉、雷和康斯坦丁想出了一个计划，要在艾娃和罗里暂时袖手旁观的时候抓住他。他们很快意识到他们需要少为巴格西担心，多为他的女朋友担心。艾娃和罗里在场边挣扎。与此同时，内特陪着本哈德去参加他父亲的生日，在那里，内特遇到了本哈德的妹妹扎里，他似乎很熟悉扎里。

当莎拉被叫去出差时，她让艾娃负责，艾娃试图给团队留下深刻印象，因为他们试图采取他们的最新安可，玛丽安西提特。扎里还在飞船上，贝赫拉德说服了团队带她一起执行任务，他们都希望这不是一个错误。与此同时，君士坦丁终于在查理的帮助下遇到了一个来自他过去的人，并开始了一段穿越过去的旅程。

在距离乘波号还有一段距离的地方，传奇人物找到了艾娃的新发明——预言者，并在90年代试图击败成吉思汗。君士坦丁的生活是悬在平衡，和雷，诺拉和加里都试图帮助他，但君士坦丁试图与阿斯特拉做交易。与此同时，贝赫德一直对查理最近的行为感到困惑，但他们都知道了为什么查理试图摆脱她的过去。

雷计划他和诺拉的约会之夜,但所有出错时再次出现让团队认为他们的脚,并创建一个谎言让安可。在试图欺骗安可，艾娃知道了萨拉真正在做什么，当她不在家，并面对她。查理和君士坦丁达成了合作协议，这对双方都有利。与此同时，当罗里收到关于他的书的负面评论时，他很沮丧，所以扎里帮他找到了评论家是谁，罗里得到了比他想要的更多的东西。

这些传奇人物继续寻找命运织布机的碎片，并发现自己与威廉·莎士比亚面对面。雷、内特、罗里、康斯坦丁、查理和贝赫德在任务中多待了一段时间，在欺骗了萨拉之后，事情变得更糟了。与此同时，雷和诺拉做了另一个重大的决定，让团队惊讶，最好的兄弟，内特和雷，在出局。

萨拉、康斯坦丁和查理在不列颠哥伦比亚省寻找另一块织布机，但他们遇到了一个他们无法预见的问题。扎里在自我感觉上一直有困难，所以她在贝哈德的建议下开始了冥想之旅。同时，艾娃志愿者尝试帮助罗里解决一个个人问题。

With Sara recuperating from her latest battle, Charlie starts to notice something might not be right with her. Still searching for the Loom, Constantine and Zari find themselves trapped in a 1910 boarding house with a slew of out-of-time Encores. Meanwhile, Ava, Gary and Rory take a trip while Nate and Charlie hold down the Waverider.

Everyone is eager to use the Loom of Fate, but the team must decide who they want to bring back first leaving Charlie to make a tough choice. Sara struggles to understand what has happened to her and with the help of Constantine and Ava, they try to figure out how to help her. Meanwhile, Rory has a guest on the ship that he is trying to impress.

The Legends find themselves going back to college and form a sorority in order to try to retrieve an ancient artifact called the Chalice of Dionyus that will help Charlie operate the Loom of Fate. Proud to be back at his college, Nate falls under Dion’s spell, letting him know of Sara, Astra, Ava and Charlie’s plan to get the cup. Meanwhile, on a father-daughter weekend, Rory takes Lita on a college tour, but Rory bails on Lita for an unexpected reason.

After drinking from Chalice, the Legends have immortality for 24 hours, which gives them time get to the Waverider and use the Loom of Fate. However, they quickly discover that the sisters have stolen the Waverider and they are stuck at Constantine’s house in the middle of nowhere in London during a Zombie Apocalypse. Meanwhile, Gary is left on the ship and once he discovers what is going on, he takes something important to the sisters.

After Charlie does the one thing that goes against her nature when it comes to her sisters, she tries to protect the Legends by scattering them in different television shows. Of course, in true Legends style some can’t just be blissfully ignorant and happy but figure out a way to end up messing with the system.

Still controlled by the Fates, the Legends find themselves in 1984-esque world, they soon discover that things aren't as they thought they would be. The Legends must convince the civilians to trust them and stand up for their right to choose, but the Fates don't make it easy by resurrecting the Encores once again.