Businessman Bruce Wayne was invited by Lex Luthor, the richest man in Metropolis, to discuss cooperation matters.
When he came to this city, he found that this place, like Gotham, had its own patron saint, who was Superman, who he had a chance encounter with.
At first, Wayne didn't like the guy in the blue tights strutting across the sky.
But then, the bank robbery triggered a series of events that dragged them into the same whirlpool. The Joker's comeback, Luther's ambition...
Batman and Superman have gone from neither enemies nor friends to absolute trust.