Synopsis

Upon the Dominators’ assault on Central City, Barry Allen races to Star City, seeking the Green Arrow’s aid. The scale of the invasion quickly becomes apparent, prompting them to locate the Legends of Tomorrow. Together, Barry and Cisco open a breach, retrieving a powerful ally: Supergirl. With the superpowered team assembled, they formulate a strategy, but a startling revelation concerning Flashpoint casts doubt on everyone's allegiances. Meanwhile, Wally West yearns to participate in the fight