He lost his mother when he was a child. By chance, he was adopted by a woman who taught him many skills and martial arts. After many years, love developed between the two, but the beloved woman died in front of his eyes. From then on, he vowed to avenge her. Then he met a woman who looked exactly like her when she died. Was it a coincidence or destiny? The two fell in love and took revenge. After everything was over, they discovered that all these things were just because of a woman's promise to a woman before she died twenty years ago.