Kum Lhau, a veteran secret agent of Republic of Vieng, is assigned to investigate dangerous terrorists in Thailand. He lies to his wife that he will be working as a labor in Thailand - of course, he never told his wife about his real and honorable job. Kum Lhau disguises himself into a popular singer of a big record to track the terrorists. Meanwhile, he meets Paula, a pretty agent who's tracking the same target. Then, they team up to stop the terrorists before a big explosion will happen in town.