Oscar Leung

Northern Lights Insurance Company has a team of insurance investigators that is led by Fong Chi-Keung, the wealthy heiress Do Sam-Yu, the affectionate Bak Tin-Ming, and retired police officer Cheung Dong. They each have their own talents and they form a legendary team in the insurance industry. They thoroughly investigate and uncover the truth in all thorny, dangerous or strange cases that are passed to them.

Chief inspector of Hong Kong’s Criminal Intelligence Bureau, Cheuk Hoi, is suspicious of his close colleague’s mysterious death. Adding to the enigma, he discovers that the five undercover agents who were in constant contact with his dead friend have all vanished.