Only God Knows Everything

Being raised by the priest after being abandoned as a child by his parent, Do Un 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 Un. He confesses that he killed Do Un’s father and disappears all of a sudden. Against the calling of priests, Do Un starts to look up Kim Ho Chang’s personal information in the church register and finally finds his address. Do Un goes to his house but discovers he committed suicide by taking poison. He reports it to the police. Ho Chang’s son, Su Chang, brings his father’s will to Do Un and asks Do Un 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 take revenge on his father as a son?