When an oil tanker explodes, John Fok (Eason Chan) becomes the focus of investigation by the Hong Kong and Mainland Chinese police and is forced to put on hold his business to settle things out. Just as John is planning on a comeback, his son is kidnapped. Doomed in love, Senior Inspector Molline Szeto (Sammi Cheng) is fed up with her 10-year relationship with her boyfriend. With no prospect of an imminent wedding, she ends the relationship. Excited with her new crossroads in life, she is thrilled to be assigned to investigate the case of John's kidnapped son.