One day, the only son of a famous news anchor, Han Kyung Bae, disappears without a trace. Soon, the kidnapper calls the nine-year-old boy's mother, Oh Ji Sun, demanding $100,000 as ransom. The police assign veteran detective Kim Wook Jung to the case and assemble a top-notch task force under his command. However, the kidnapper constantly outwits the police traps and keeps calling the parents with yet another instruction for the money
