Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.

Ju-young reunites with his long-lost first love, Do-hoe, whom he has been desperately searching for, at a funeral after twelve years. "It feels like everything is cursed..." Twelve years ago, the two of them shared a tender love, empathizing with each other's wounds. How did they end up estranged from each other? Do-hoe, who found his own dream instead of Taekwondo as he desired, and Ju-young, who still does Taekwondo, Can they break the curse of the past now, twelve years later?

Ki Fighter Taerang is a Japanese and Korean anime. It is a product of the major anime broadcaster Munhwa Broadcasting Corporation and NHK, and the animation was done by Production Grimi. The Director of this anime is Minoguchi Katuya. The story centers on the character Taerang, a legendary fighter squirrel. and similar series as King of Bandit Jing.