Kang Seojun lost everything after his family was betrayed and destroyed by a hidden power. Years later, he returns as the true heir of Haneul Group to reclaim what was stolen from him. But after a deadly attack and the kidnapping of Jisoo, Seojun discovers that the battle is far bigger than a corporate power struggle. A mysterious organization has been controlling events from the shadows for years. Now, Seojun must choose between revenge, love, and the truth.