Rewind to Wai Tak-shun’s childhood days and Tak-shun is devastated due to his father Wai King-yan’s death. He then has mood swings and loses interest in everything. He even completely forgets about his father. For Tak-shun’s sake, his mother Tse Mei-sheung and uncle Tse Tim-sing never mention King-yan’s death.
The organization to which agent C9 Yue Siu-Kiu belongs is eradicated. Lonesome Siu-kiu encounters vegetable vendor Ko Tai-king. After getting married, she takes care of her father-in-law Ko Au, big sister-in-law Ko Ching-lai, younger brother-in-law Ko Tai-kiu and stepson Ko Hei-long, who collectively make up a dysfunctional family. She has become a proper housewife after five years. Siu-kiu’s former partner B3, who had escaped death, abruptly shows up to ask Siu-kiu to help find the culprit behind the demise of their organization. While Siu-kiu is keeping Tai-king in the dark, she simultaneously takes care of her family and carries out spying activities. But she does not perform well in either job. Black Hole, a terrorist group, goes after Siu-kiu as her identity is exposed. To protect her family, she bravely confronts Black Hole. Some shocking truth is also uncovered in the process, forcing Siu-kiu, Tai-king and their chums to engage the terrorists in a duel!
Siu Sau King, who has served three generations at a century-old tofu factory, uses her position as general manager to protect her distant relative, Tou Wai Lung. It draws the ire of the heir, Dau Cheung. Coincidentally, his friend Wong Siu Ming lost his job and broke up with his girlfriend Gei Hiu Ying and is looking for a change. The two of them click instantly and decide to institute major reformsat the company. The new and old camps battle against each other day and night. Wong Siu Ming re-encounters his childhood friend Szeto Nam and vents about his problems to her. Their relationship grows quickly and they begin to think about marriage. But it turns out Szeto Nam's mother is Siu Sau King. Szeto Nam pretends to be depressed to force her mother to agree to her lightning marriage to Wong Siu Ming. But if seeing each other is hard, living together is even harder. After marriage, Wong Siu Ming faces extreme pressure at home and at work. He tries to play matchmaker for his mother-in-law and the tofu factory's boss to deflect the line of fire. Unfortunately, it is a mismatch with many setbacks, leading to a series of jokes...