In a desperate bid to stop destruction, the Monitor recruits heroes from across the DC Multiverse to battle the Anti-Monitor's chaos. The Flash, dispatched by a mysterious figure, arrives on Earth-3, joining forces with a new Green Lantern Corps and other heroes. Tragedy strikes when Superman is left heartbroken by Supergirl's ultimate sacrifice in defeating the Anti-Monitor. As the heroes gather on Warworld, Batman reveals a shocking truth about the Crisis's origins.
Justice League: Crisis on Infinite Earths - Part One
The DC Multiverse hangs in the balance as the Anti-Monitor's destructive power wipes out numerous Earths, threatening its very existence.
