![The Iron-Eating Monster](https://image.tmdb.org/t/p/w500/tEnRuYsLerRr794E3HuZlbJXqOE.jpg)
During the later years of Goryeo Dynasty (918-1392), a talented martial artist is murdered. His resentment makes him born again as Bulgasari, a monster that grinds and eats up iron. The monster takes his revenge on the traitors responsible for his death.