A women�s prison in the Northern China in 1932, Prisoner FU Yuan (JIANG Yiyan) digs a tunnel in her prison cell with a silver spoon and escapes. Inspector SONG Donglu (LAU Ching-wan) 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.

Starring:

Ka Tung Lam, Yiyan Jiang, Xiaolu Li

Genre:

Thriller, Crime