During a routine skydiving exercise, Commander Kang San and Lieutenant Kim Biyeon are thrown into a treacherous realm populated by savage beasts. They receive cryptic messages and rewards through completing quests, but must rely on their own resourcefulness to fend for themselves. As they stretch their limits to keep their heads above water, they discover an untold power that is beyond their control. Will they be able to master these abilities to survive and escape from this bizarre alternate dimension?
