Sam-po is a gambler living without concern for how his wife will manage their houselhold without his earning money. In order to get food and provisions, his wife An-hyeob, sleeps with various merchants in the village. One of the few men she does not sleep with, a lustful servant named Sam-dol, decides to reveal her activities to her husband for revenge.
Passing through a jail and a construction site, a young laborer meets a middle-aged man returning to Sampo after ten years' absence. Together, they track down a young woman who ran away from the restaurant she was waitressing at, but instead of turning her in for a reward, the trio decide to go on an adventure together.
The benevolent Dr. Kim created Robot Taekwon V, installing his eldest son Kim Hoon as the robot's pilot. A taekwondo champion, Kim Hoon imbues Taekwon V with his own martial arts prowess in order to stop the giant robot minions of the evil Dr. Kaff, who - like all evil megalomaniacs - is looking to annex Korea and enslave all of humanity. Can Kim Hoon and Robot Taekwon stop the evil doctor from fulfilling his nefarious aims?
