In a completely twisted time and space, a woman who wants to end all the chaos has arrived! Yeon-hee (played by Ahn Ji-hye), who aspires to become the strongest action star, accidentally enters a strange parallel world where swordsmanship determines life. In this world, Yeon-hee strives to repel bad elements for justice. One day, the real "ghost sword" appears, and a series of events occur... The sword in her hand actually awakens her true identity! ?