

21 episodes, your choices matter, and the killer is always watching.
Season 1 • Episode 21
LatestWriting
Branching narratives that actually punish your bad decisions.
Acting
Bai Jingting's dual role keeps you guessing which twin is which.
Production
Reality show aesthetic weaponized for genuine unease.
Trivia, insights & behind the scenes
Adapts China's hit 'Who's the Murderer' format into interactive fiction, riding the wave of Bandersnatch-inspired Asian streaming experiments in 2020.
Multiple endings required the cast to film entirely separate emotional arcs—Bai Jingting reportedly kept twin character notes in different colored scripts to avoid mixing them during rapid scene switches.