Synopsis
At the close of the 20th century, the science of mankind has completed studies of the habits of all giant monsters, and has confined them in an area known as ‘Monsterland’. However, someone attacks Monsterland, and all of the monsters begin to attack world capitals. In order to find out the truth of the matter, the spaceship, Moonlight SY-3, arrives at Monsterland, and they are faced with Monsterland’s employees who attack them. It turns out that the alien race, ‘Kilaaks’, are the ones that are controlling the monsters.