CHUNG LAP MAN has always thought that LEE MAN SING, an instructor of the Police Training School, is the one who destroyed his family. To revenge him, MAN forces a friend of his, CHAN KWOK KEUNG, to take part in the police recruitment exam with him. On the selection day, MAN has a disagreement with another candidate, KEN WAI. It is MAN’s wish that his mother, CHAN YIN TING, could one day be reunited with his father, CHUNG CHI WAH. And so he keeps creating chances for his parents. TING feels that there is nothing she can do about MAN’s effort. TING is upset because her interior design company, Lok On Kui, has been doing very badly. She has withdrawn 50,000 dollars, which is meant to pay a decoration contractor, from the bank. Unfortunately, she has been robbed and the money has all gone. She feels helpless. A young woman named HO FA has witnessed the whole incident and is very uneasy about this……

KEN is worrying about his rental when his grandpa, CHIU TIM FOOK, comes. Knowing KEN’s problem, FOOK tells him that his mother, LEUNG SAU CHUN, had bought a house with SING twenty years ago. FOOK also tells him to get back what he deserves. So KEN goes to SING’s place. There, he is mistaken as a thief by SING’s co-habitant-cum-colleague, KUK MING CHEONG. When SING learns that KEN is the son of CHUN, he lets KEN move in. A woman wrongly accuses FA of stealing in a record shop. MAN sees this and comes to her rescue. However, FA still has not recovered from the fright. MAN and his sister, KA LAI, are on the way to buy a cell phone when they see a man stealing a pedestrian’s mobile. MAN gives a chase without delay. FA is all too worried as her twin brother, MING, is the pickpocket. MING is caught. MAN appears in court to testify against MING. MING is convicted and sentenced to prison for three months. The HO family hates MAN……

FIONA MA, who is also a cadet, suspects that SING was the traffic policeman who had once saved her life, but he makes no response to her queries. KEN reports MAN and KEUNG’s rearrangement to SING. Both MAN and KEUNG are angry. The cadets are given their uniforms and arranged to have their hair cut. The female cadets weep over their short hairdos. ANN talks to every cadet in her team individually. After talking to them all, she has got the impression that KEN is very self-protective; that FIONA, who is delicate, may not be able to go through the training. As for MAN, he complained that SING always picks on him. FIONA has damaged the iron, so she has to borrow one from the male cadets. Meanwhile, SING comes for an inspection blitz and orders the cadets to clean the toilets once again. SING sees FIONA there. As a result, all the female cadets are asked to copy the school regulations out as a punishment……

ANN is very friendly; all the cadets have a favorable impression on her. MAN is delighted to know FA is the temporary staff at the school canteen. CHEONG teaches the cadets shooting. MAN is skeptical about him, whose nickname is Marksman. MAN has dropped SING’s notepad onto the street, making all to be punished. SING scolds the cadets for lacking team spirit and reproaches MAN, who is a class captain, for being irresponsible. The boys are dissatisfied that SING punishes them again. FIONA reports to SING her roommates’ eating snacks in the barrack, which is against the rules. Nevertheless, she is told off by SING instead. FA takes away MAN’s uniform, hoping that he would be punished for losing his uniform. MAN is upset that he cannot have a weekend off because he has filled in the wrong date on the leave application form. FIONA and KEN go shopping for swimming suits for their whole classes……

MAN hurries to hospital. To his huge relieve, TING is in good shape. CHEONG confesses to SING he has broken the music box. SING tells him to forget about it and let KEN misunderstand him. KEN looks everywhere but fails to find somebody who can fix his music box. FIONA, who is wearing a wig, attends a luncheon. There she bumps into her childhood playmate, CHOW WAI YUEN, but she cannot recognize him. A waiter takes off her wig by accident. Her mother, CHEUNG WAI SUM, is shocked to see her short hair and orders her to quit the school. Her father, FUNG TAI, comes to her rescue. TING has been discharged from hospital. Her elder sister, YIN LAN, moves in under the pretext of looking after her, to which MAN and LAI are unhappy. SING goes to his superior, PANG HO LEUNG, and speaks for MAN regarding his leaving the school without permission. MAN is only given a warning letter but no other punishment in the end……