Aliens from a distant planet plan to conquer Earth. They awake a monster named Wangmagwi from his slumber to attack Seoul. The South Korean air force is called upon, but they can't attack the monster in a heavy populated area. One of the pilots named Jeong-hwan was supposed to married when Wangmagwi was attacking the city. Eventually, his bride would have been captured by the monster.
The monster, Wangmagwi, has a very unique appearance. He has a jewel-type of object on his head. He also seems to have fur, large fangs, and giant claws.
- The film was the second to feature more extras than any other film, which was claimed to be roughly 157,000.
- It was also released the same year as Yonggary.
- Despite being a lost mystery of film, a very rare soft-vinyl doll of Wangmagwi was sold.