Wah Yuen was born on September 2, 1950 in Hong Kong, China as Kai Chi Yung. He is known for his work on Kung Fu Hustle (2004), The Way of the Dragon (1972) and The Iceman Cometh (1989).
The game takes place in a large city still recovering from a war decades prior to the game's start, with players taking the role of an amnesiac detective who has been tasked with solving a murder mystery.