DC created a new multiverse with a new version of the Justice Society on Earth-2. The Jay Garrick of this world became the Flash, a younger, more relatable version than his Golden Age counterpart.

Jay Garrick from Earth-2 appears at S.T.A.R. Labs with a warning of an evil speedster intent on destroying The Flash, and an officer wants to join Joe's metahuman Task Force.

Zoom unleashes an army of Earth-2 metahumans on Central City, the leader of which is Black Canary's doppelganger, Black Siren. Joe worries when Wally goes to help.