Batman: Mask of the Phantasm (1993)

"The Dark Knight fights to save Gotham city from its deadliest enemy."

Andrea Beaumont leaves her father to return to Gotham, rekindling an old romance with Bruce Wayne. At the same time, a mysterious figure begins to hunt down Gotham's criminals, wrongly implicating Batman in the murders. Now on the run from the law, Batman must find and stop the culprit, while also navigating his relationship with Andrea.