The story revolves around two detectives who dig into mysterious incidents that happen in a village. The drama will reinterpret those events and the characters in the book to match Korean sentiments, and it will show the ugly side of human nature. Go Jung Woo when was younger, he was smart enough to be on the early admission list to medical school. He went on a trip after taking his SAT (scholastic ability test) but became a murderer ever since that day. He returns to his hometown after being released from prison and comes across what happened 11 years ago.