Resumen:

Heavenly Executioner Chiwoo (Volume 4) : Chiwoo trains with Ju-Ah to become a better mangnani. Ju-Ah assures Seol-Ha that, despite Chiwoo's struggles, he will become a great warrior in the end. Later, while Seol-Ha continues his search for Bi-Hyun, Chiwoo and his friends confront Yi-Yun to rescue Uncle Wol-Baek. Will either mission succeed? Will everyone find what they're looking for? Or is there more trouble in store for these heroes?