Lee Taegun is known as the nation's strongest esper, powerful, untouchable, and unmatched. But behind that strength, he suffers from the side effects of his power. Unlike others, he refuses to work with a guide who could help him heal until Seo Eunsung, one of the best guide in Korea comes to his life and determined to guide him no matter what. Who will give in first? will they end up falling for each other?