He is the tyrant who rules the court, and the madman who guards his genius.
Genius tennis player Bastian is betrayed by his cousin—his family is ruined, and his right hand is destroyed. With nowhere left to turn, he is forced into a contract with Arthur, becoming his partner and lover.
As the two grow closer day by day, a fraud claiming to be his savior—Julian—appears out of nowhere, stealing away Arthur's years-long obsession. Conspiracy, kidnapping, and life-or-death crises follow one after another.
Until the truth is finally revealed—Arthur discovers that the savior he has been searching for all along has always been Bastian, right by his side.