 Joo Young-soo (Kim Myung-min) is a devoted Christian and well-respected pastor whose 5-year-old daughter, Hye-rin (Kim So-hyun), gets kidnapped.The story starts with Young-soo attempting to give the kidnapper the ransom money in exchange for his daughter in an ice hockey rink, but because of his wife, Min-kyung's (Park Joo-mi) interference by informing the police, the kidnapper doesn't show.Eight years later, Young-soo loses his faith in God and leaves the church while his wife is still desperately searching for their daughter.