Xiao shi de xiong shou (AKA: The Vanished Murderer)

Xiao shi de xiong shou (AKA: The Vanished Murderer)

Year: 2015
Plot: Prisoner Fu Yuan digs a tunnel in her prison cell and escapes. Inspector Song Donglu is summoned to investigate Fu's escape. By tracking down the letters sent to him by Fu, it sets Song off to Hong City to unravel Fu's disappearance.
IMDB: 5.3