Wally West has fully taken on the mantle of the Flash, but when Barry Allen unexpectedly returns to Central City, Wally begins to doubt himself, comparing himself to his former mentor. As a powerful new threat emerges, Wally must rise to the challenge and prove that he is more than just a sidekick and temporary successor to Barry. With the shadow of Barry looming over him, Wally’s journey to solidify his own legacy as the Flash becomes a race against time.