Being raised by the priest after being abandoned as a child by his parent, Do-woon becomes a newly ordained priest. He’s now a full-fledged priest but still sees his parent’s spirits. One day, Ho-chang goes to confession to Do-woon. He confesses that he killed Do-woon’s father and disappears all of a sudden. Against the calling of priests, Do-woon starts to look Kim Ho-chang’s personal information up in the church register and finally finds his address. Do-woon goes to his house but discovers him who committed suicide by taking poison. He reports it to the police. Ho-chang’s son, Su-chang, brings his father’s will to Do-woon and asks Do-woon to find and punish the devil in person who did all these evil things… Will he live a life given to him as a priest or will he revenge for his father as a son?