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.
Directed byChi-Leung Law
Written bySin Ling Yeung
CountryHong Kong
Runtime120 min
On screen
Ka-Tung Lam
Yiyan Jiang
Xiaolu Li