During a routine monster attack on the city, Silk and her two friends attempt to get a closer look at the attacking beast. Their choice of viewing spot proves ill‑fated when UFO‑man, the city’s towering protector, lands nearby and crushes them to death. Feeling remorseful, UFO‑man blames the monsters for their demise and offers to revive Silk and her friends by sharing his power. However, the price is that they must also assume the role of the city’s protectors.