With everyone finally back together, the Legends find themselves looking to Nate to keep everything calm while in the old West on a mission to find an alien. After trying to keep things normal, Sara reveals her secret to Ava and the team, leaving them all shocked. Constantine looks to Gary who might have answers the answer help to his problem. Spooner and Astra are forced to work together despite their clashing personalities which ultimately helps push them to hone their powers. Meanwhile, Zari takes an unusual interest in Behrad's personal life.
When heroes alone are not enough... the world needs legends. Having seen the future, one he will desperately try to prevent from happening, time-traveling rogue Rip Hunter is tasked with assembling a disparate group of both heroes and villains to confront an unstoppable threat - one in which not only is the planet at stake, but all of time itself. Can this ragtag team defeat an immortal threat unlike anything they have ever known?
DC's Legends of Tomorrow - Stressed Western Synopsis and Schedule