Detective Nam-soon goes undercover with her partner Detective Ahn to investigate the counterfeit money. She discovers that one loyal henchman, Sad Eyes, a beautiful swordsman with a pale, blank face, is related to the truth. Nam-soon and Sad Eyes confront each other in a series of duels and become confused between love and obligation to duty.

It's the return of the "The Age of the Wild Men"! Lee Sang-dae is known as the 'Bongcheon Tiger' who knocks out all fighters with his head. He begins a fight to teach his friend, Hak-cheol, a lesson, as he is on the side of the Japanese and bullying innocent people.