Oliver and Barry awaken to discover they have been body swapped! To solve this mystery, they will need the help of Supergirl and travel the lengths of the DCU, from Gotham City to the cosmic beyond. All the while, a mysterious entity known as the Monitor, watches and evaluates their every move.

Recut the 3 episodes (126minutes) into a single movie (100minutes). I streamlined the narrative by focusing on only two story arcs -- Barry and Ollie. Gone is the Kid Flash and Prof. Stein subplots as they are unnecessary to drive the main plot. Also, significantly cut the Arrow episode so it feels less like an anniversary celebration episode, thus stopping the story dead in its tracks, and more like it is part of the Dominator's plan.