Theory of Paradise

The spoils of the Urban Alliance, 'Yoo Eun-woo' enters the Urban Alliance Central School as if kicked out of the military. There, he meets 'Seo Jae-hee', the president of the student council, and 'Jeong Yun-hwan', a former member of the Urban Alliance, and there is no easy day... What about the ominous prophecy that came before these three?