Butcher Spy: Undercover Mix-Up

Liam Lin, a spy who has worked as a butcher in the countryside for decades, suddenly receives a recall order from his superiors to carry out an undercover mission in a criminal gang. Due to a mistake by his superiors, he meets the wrong contact, mistaking a hostess for a fellow agent, while the real agent turns out to be his own son. After a series of misunderstandings, the two finally defeat the villains.