At the police station, Lik-kei directs Ho-fan to look for the baddies. A certain target turns out to be Ching-ying’s subordinate. The case is concluded. Ho-fan and Chung-ying want to express their gratitude to the chums by inviting Lik-kei and his relatives and also his subordinates to dinner. During the proceedings, Chung-ying catches sight of Lik-kei and Pik-kei constantly clinging to each other. Ho-fan is bothered by regularly seeing images of Lik-kei in his head. He then makes an appointment with some psychotherapist. He also asks Lik-kei to help resolve issues of seeing him in his dreams. Wing-yum accidentally finds out Ho-fan is a committee member of the school where she works. She then uses him to save face in front of the principal. W asks Ming-kwan to settle his debt. However, Ming-kwan fails to convince Cheung-lok to sign the document for machinery purchase. Ming-kwan wants to kidnap Ho-fan and force Cheung-lok to sign the document on behalf of his boss.
Because of a fatal shooting case, plain-clothes Sergeant Ko Lik-kei runs into a “dull” and “troublesome” witness called Lee Ho-fan. Lik-kei is instructed to protect Ho-fan at all times. Initially, the duo are strangers that cannot stand each other. They then gradually get along. Meanwhile, an apparel company of which Ho-fan is a major shareholder is found to have involved in illicit dealings. Yip Cheung-lok and his son Yip Ming-kwan, who are member of senior management, are associated with these activities. Lik-kei teams up with Ho-fan and Ho-fan’s younger sister Lee Chung-ying, who is a barrister by profession, to investigate. Lik-kei and Chung-ying get entangled in a relationship in the process. Also, Lik-kei’s elder sister Ko Wing-yumand Ho-fan get along sometimes and provoke each other at other times. Fate has brought the foursome together, causing a case that has remained unsolved for more than twenty years to be reopened.
