Lady Cop & Papa Crook

Lady Cop amp Papa Crook Chinese pinyin Da sou zha zhi nu Cantonese Yale Daai sau cha ji neui is a 2008 Hong Kong crime film written and directed by Alan Mak and Felix Chong, and starring Sammi Cheng and Eason Chan. Chan plays the kingpin of a red diesel crime ring who is forced to team up and cooperate with a hottempered police officer Cheng when his son is kidnapped, thus beginning an unlikely alliance between fellow police officers and criminals.

John Fok Eason Chan is the kingpin of illegal red diesel in Greater China. When an oil tanker explodes accidentally, he becomes the focus of investigation by Hong Kong and Mainland Chinese police and is forced to halt his business to wait things out. While his business rivals start closing in, a member of his household is planning to betray him. On the surface, John seems totally helpless, but in reality, he has been staging a major comeback for months. Just as he is finally ready to turn his fortune around, however, his only son is kidnapped.Senior Inspector Maureen Szeto Sammi Cheng is the rising star in the police force, who is well praised for busting crime with her characteristic sangfroid and precision. However, in matters of love, she is totally at wits end. After dating the same man for more than ten years with no likely prospect of an imminent wedding, she determines to cut the knot once and for all, before she becomes too old for childbirth. Poised at the crossroad of her life, she is thrilled to be assigned to investigate the kidnapping of Johns son. ........

Source: Wikipedia