Its the year 4030, the world is ruled by AI (artificial intelligence). The government started controlling the reproduction rate in order to control the population. The only way to achieve population control, was to segregate women and men. Only the elites were allowed to reproduce with women and they were expected to have one  child. One of the elite, Park Chanyeol, ruled Asia one of the six continents that remained after global warming. He was given the task to train one of the up coming elite, Byun Baekhyun.