A young undercover cop tries to get back with his former love, while unraveling the mystery behind the head of the police force. Meanwhile he has to protect the boss' daughter.
The Mole Song: Hong Kong Capriccio is a 2016 Japanese action comedy film directed by Takashi Miike from a screenplay by Kankuro Kudo based on the popular manga series Mogura no Uta by Noboru Takahashi. It is the sequel to the 2013 film The Mole Song: Undercover Agent Reiji and follows the story of Reiji Kikukawa after the events of that film.