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. (Source: TVBAnywhere)