With Sara still away from the Waverider, the Legends find a new Encore with Ava's new invention, the Prognosticator, and must now try to defeat Genghis Khan in 1990s Hong Kong. Constantine's life is hanging in the balance, and Ray, Nora and Gary all try to help him, but Constantine tries to make a deal with Astra instead. Meanwhile, Behrad has been confused about Charlie's recent behavior, but they all learn why Charlie is trying to out run her past and from what.
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 - Mortal Khanbat Synopsis and Schedule