Metamorphosis (byeon-sin)

synopsis

Exorcist Joong Su is living in a terrible guilt after a girl whom he tried to exorcise, killed herself. His brother Kang Gu and his family had to resort to moving to another town because of all the bad rumours. In addition, the demon that destroyed the girl's family is upon Kang Gu's family, disguising itself as the family members. Joong Su's family is in severe danger and he has to face the demon and fight once and for all. Will he be abe to put behind is trauma, vanquish the demon and save his loved ones?