Batman gets dropped in feudal Japan with no gadgets, and the movie decides that means it's time to stop pretending to be a Batman movie. The 3D animation doesn't just support the action, it IS the action, pivoting between hand-drawn brutality and CGI verticality so aggressively that the plot becomes decorative. You're either watching the most committed anime-action film ever made, or you're watching a film that lost the plot ten minutes in; there is no middle ground, and that commitment to the bit is the entire point.
Gorilla Grodd's malfunctioning time device hurls Batman and his rogues gallery into feudal Japan, where the rules of engagement shift entirely. Stripped of his cutting-edge arsenal within moments, Batman watches his greatest enemies consolidate power as regional warlords, with the Joker orchestrating chaos across a fractured landscape of rival clans. The Dark Knight finds himself in unfamiliar territory: a world where gadgets fail and cunning matters more than firepower. Forced into an unlikely alliance with Catwoman and scattered members of the Bat-family, Batman must navigate samurai politics, ninja warfare, and the psychological warfare his enemies wage from positions of absolute authority. Every step backward means adapting to a new era's combat style while staying one move ahead of foes who've never been more dangerous. The question becomes whether Batman's mind can overcome the raw power his enemies now command, and if he can unite a fractured Japan long enough to find a way home. Action and strategy collide as the Dark Knight trades Gotham's skyscrapers for a bygone world's battlefields.