Tangeum - シーズン1 (2025)

Hong-rang, the son of a wealthy merchant family in Joseon, went missing at the age of eight. His half-sister, Jae-yi, never gives up hope and searches for him tirelessly. Twelve years later, a young man appears claiming to be Hong-rang, but he has no memories of his past. While Jae-yi is skeptical, his mother desperately wants to believe him. However, this man carries a secret, and his reappearance brings intrigue and danger. Jae-yi's quest to uncover the truth behind Hong-rang's disappearance and the identity of this returning man leads her into a web of family secrets and power struggles.