The Legends travel to the 80s after they discover that Ray died there as a child. They soon learn that Young Ray is harboring a baby Dominator... and the government will stop at nothing to acquire it and eliminate Young Ray as a witness. Meanwhile, Jax and Mick discover that Martin may have betrayed the Legends to the Time Bureau.

The team track an outlier to 1937 Hollywood, and find a time-displaced Helen of Troy... along with Damien, Eleanor, and Kuasa. As the Legends battle the villain, Helen's presence alters the timeline and threatens to strand the heroes in 1937.