This story picks up right before Lexa's death. Instead of trying to shoot Clarke, Titus has managed to create a portal to another dimension he has shoved Clarke through, Lexa goes after Clarke leaving this universe without their Heda and Wanheda. Raven is asked to find a solution and she manages to convince a substitute Lexa and Clarke from a multiverse to "fill in" until she can find which universe Heda and Wanheda were sent to. Can the substitutes convince everyone? Will Heda and Wanheda be found? Will we have two Clexa couples??