Batman: Mask of the Phantasm

Andrea Beaumont strolls back into town, rekindling an old romance with Bruce Wayne. At the same time, Batman is mistaken for a masked vigilante assassin who has begun systematically eliminating Gotham's crime bosses. Now on the run, Batman must solve the mystery, while navigating his relationship with Andrea.
The Dark Knight fights to save Gotham city from its deadliest enemy.