This film, adapted from a disturbing true story originating in Hong Kong, offers a compelling look at the arrest and trial of Henry Chung (played by Yeung Wai Lun) for the violent murder and dismemberment of his parents. He readily admits his culpability, and the legal proceedings seem almost predetermined from the start. However, the movie's focus primarily explores the role of his accomplice, Angus Tong (Man Pui-tu…