Earth is going through a major ecological change, causing plants to grow faster and larger, and insects are starting to increase in size. But this is the last thing office worker Lee Gwajang, who hates bugs, is thinking about -- that is, until a swarm of wasps bigger than humans attack his company’s building. When he wakes up, his co-workers are unmoving, buried beneath wasp eggs, and the whole city is in ruins! Now it’s a battle of survival for Lee Gwajang against these swarms of giant insects!