Watch Backdoor on StoryBox App
To enjoy full high-speed 1080p Ultra HD streaming with zero buffering and no web ads, this title is available exclusively on the StoryBox Android App!
Download App to Watch (104 MB)
An anonymous stranger saves Doyun from a career-ending crisis. When the mystery savior turns out to be Jihyeok, the privileged rookie he despises the most, it sparks a tense and complicated office romance.
To enjoy full high-speed 1080p Ultra HD streaming with zero buffering and no web ads, this title is available exclusively on the StoryBox Android App!
Download App to Watch (104 MB)Get unlimited buffer-free streaming, subtitles in 12+ languages, and fast offline downloads on HDMovie4 App.