Warrior Grandpa and Grandmaster daughter

A ruined clan, a single remaining heir, and a grandfather who was once a legendary warrior. Jinsan Yu, a former martial arts master, makes a vow to survive until Seol, a young girl with a mysterious and extraordinary talent, reaches adulthood. Along their journey, they cross paths with unexpected allies and dangerous enemies while uncovering hidden schemes behind the destruction of the Yu Clan. As the secrets of the past begin to surface, Seol’s determination to protect her grandfather awakens the fading strength of a warrior who thought his time had ended. “I’ll protect you, Grandpa!” becomes the powerful promise that reignites Jinsan’s fighting spirit.