Viewers interested in modern cinema often explore Twin Dragons because of its cast, story direction, and audience popularity.
Jang Yong-Ho loses his parents owing to his grandfather's Cheongja martial art by the Japanese. To retaliate upon the enemy, he practices martial art. Kim Seok-Do advises Jang to escape, but Jang's grandfather is kidnaped and tortured by a Japanese (Nishi Hiro) while keeping his place. Jang sneaks into Nishi Hiro's mountain villa and rescues his grandfather. Nishi Hiro calls again the Japanese snipers, that is, Kenji and Harata. Kenji let Harata fight against Jang, while Kenji himself kills both Kim Seok-Do and Jang's grandfather, and kidnaps Da-Bok. Jang fails to pass Nishi Hiro's yard. On the way to home, Jang meets his younger brother and is informed that his grandfather has been killed. To retaliate upon the enemy, he let his younger brother learn Cheongja martial art. The brothers attack Nishi Hiro's mountain villa and rescues Da-Bok.
