無間道
In 2002, Lau established Basic Pictures, a company responsible for the films in which he served as a producer and director. That year saw the success of "Infernal Affairs" a crime thriller that the largest ensemble cast of any Hong Kong film that year. "Infernal Affairs" became a huge box-office success in Hong Kong, even being deemed as a "box-office miracle" at a time when Hong Kong cinema was said to have been lacking in creativity. "Infernal Affairs" also marked the first of several collaborations with co-director Alan Mak, and screenwriter Felix Chong. Other films made by the directors and screenwriter include the sequels to "Infernal Affairs" ("Infernal Affairs II" and "Infernal Affairs III"), "Initial D" and "Confession of Pain".