Into Thin Air

Constable, KO CHUNG CHING, receives information that the serial killer, nickname “Rose Killer” frequently haunts a certain building. When CHING takes his colleagues to follow the case, he meets his son, KO TSUN SING, on the way. SING asks his father to play the game of ‘police-and-thief’ with him; CHING scolds him in anger because he is on official business to make arrest; the ‘Rose Killer’ is alerted as a result and he escapes. When CHING returns home and he tries to celebrate SING’s birthday, his son is nowhere to be found. It seems that his son evaporates into the thin air. Two years later, CHING divorces his wife, HO YEE MAN; he also leaves the Police Department and sets up a private detective office. MAN TAI PO and LAM YAN YAN, the subordinates of CHING, disguise as massage girls; they successfully obtain the criminal evidence against the targeted person. LAI TSAU is the boss of a temporary actors company.… ...

After knowing that SIU has seen SING on the day of his missing, CHING hurries to look for her to dig out more information. Unexpectedly TSAU uses a child actor to play the role of SING; CHING is disappointed and leaves. Out of mistake, TSAU drops the pair of sport shoes in the street; the sport shoes that CHING bought and intended to give SING as birthday gift two years ago. KWOK CHING, the grandpa of YAN, comes to the detective office for seeking help, hoping that the detective office can locate his missing sport shoes that he lost 25 years ago. Actually, KWOK CHING was “Golden Right Leg” of one of the Hong Kong football teams in those days. Ever since he lost the pair of lucky sport shoes, he became unlucky and discouraged in his football life. CHING starts to investigate from the old soccer fans, but he fails to obtain any information.… ...

SIU tells CHING in details about the scenario in which she met SING on that day of his missing; she also takes CHING to the place where she met SING two years ago. At that time, CHING suddenly recalls that SING saw him being reprimanded by his superior, YEUNG KWONG; SING might have mistaken that CHING would get dismissed from the job because of SING’s playful behavior to ask his father to play ‘police-and-thief’. As a result, SING was so scared that he did not return home; CHING blames himself. SIU acts in the bathing scene to replace a movie star, Ann; SIU meets Joey, who she has once seen before and who is an expert in drawing sketches. At that time, Ann arrives at the studio and she brings along with a pet dog, Napoleon; Joey immediately leaves on seeing Ann. Napoleon has gone missing, while SIU requests CHING to help find the dog.… ...