The Book and the Sword
Law's older brother Law Wai-ping was an actor for TVB during the 1980s. In 1987, Law launched her own acting career at the age of 17. Despite her lack of professional acting experience at the time, Law was cast in a lead role in the 1987 Hong Kong television series "The Legend of the Book and the Sword". She portrayed Fok-ching-tung in the series, a television adaptation of Louis Cha's "The Book and the Sword", which marked her first dramatic role.