Into Thin Air

Ko Chung Ching (Michael Miu), an ex-policeman, quit his job to set up a private investigation company two years ago, right after his son Tsun Sing went missing because of a slap while Miu was searching for the "Rose Killer". His subordinates include Man Kai Ching Super (Power Chan), Man Tai Po (Bernice Liu) and Lam Yan…