Joker is a computer programmer working on a 3-D adventure game starring a virtual idol. Stuck for inspiration, he ends up finding it in Ling, a bartender at a dance club. While in a drug-induced stupor, Joker imagines Ling to be the perfect image of his virtual girl. He's immediately smitten, but more important, he now has a model for his virtual heroine: Princess D.

Daniel Wu
as Joker

Edison Chen
as Kid

Angelica Lee Sin-Jie
as Ling

Anthony Wong Chau-Sang
as Joker's Father

Pat Ha Man-Jik
as Ling's Mother

Jonathan Lee
as Ling's Father

Ben Yuen Foo-Wah
as