刑侦大队队长程兵（张译 饰）带领的三大队在办理一起恶性案件的过程中导致嫌犯之一意外死亡，被判入狱。出狱后依然坚持以普通人身份追踪在逃嫌犯。 影片根据真实事件改编，原载于“网易人间工作室”作者深蓝的《请转告局长，三大队任务完成了》。
When a prisoner vanishes without a trace, Detective Frank Morley is sent to a decaying prison on the verge of shutdown. What begins as a routine investigation quickly spirals into a dangerous search for answers. As reality fractures, Frank is haunted by the secrets that lie within the prison walls.
