Hyun-woo, who comes from a poor background, is subjected to frequent bullying by a group of troublemakers at his school. Despite enduring their torment, a pivotal moment changes everything. He is brutally beaten and humiliated, leaving his soul detached. As fate would have it, a strange cosmic event allows the spirit of a powerful alien warlord, Woo-seok, to inhabit Hyun-woo's body. With Woo-seok now in control, he unleashes his formidable prowess upon the bullies. Although victorious, he is left uneasy and disoriented. Meanwhile, the oblivious bullies, oblivious to their role, plan a vindictive revenge against Hyun-woo. As a result, the alien warrior must dispense his own brand of justice.
