Batman ventures into Gotham City's underworld when a sadistic killer leaves behind a trail of cryptic clues. As the evidence begins to lead closer to home and the scale of the perpetrator's plans become clear, he must forge new relationships, unmask the culprit and bring justice to the abuse of power and corruption that has long plagued the metropolis. Video Codec: HEVC / H.265 Resolution: Native 4K (2160p) HDR: Dolby Vision, HDR10 Aspect ratio: 2.39:1 Original aspect ratio: 2.39:1 Audio English: Dolby Atmos English: Dolby TrueHD 7.1 (48kHz, 24-bit) German: Dolby Atmos German: Dolby TrueHD 7.1 (48kHz, 24-bit) Italian: Dolby Atmos (more) Subtitles English SDH, French, German, Italian, Spanish, Danish, Finnish, Norwegian, Swedish Discs 4K Ultra HD Blu-ray Disc Three-disc set (1 BD-100, 1 BD-25, 1 BD-50) Digital Digital 4K Movies Anywhere Packaging SteelBook, Inner print Playback 4K Blu-ray: Region free 2K Blu-ray: Region A (B, C untested)