Genius Grandson of the Loan Shark King

Synopsis

After three decades handling the criminal finances of a powerful lending family, Muhyeok Kim is murdered on his uncle's orders. He awakens in 1990 as a high school student, before his rise within the family, and intervenes when his paternal grandmother suffers a medical crisis. Facing hospital expenses and an old betrayal, Muhyeok seeks help from his mother's relatives while secretly preparing to seize control and settle the score.