The only son of famous news anchor Han Kyung-bae disappears without a trace. The kidnapper calls the nine-year-old boy's mother, Oh Ji-sun, demanding 100,000 dollars as ransom. The police assign a veteran cop and his special task force to the case. However, the kidnapper catches wind of the police involvement and threatens to cut out the boy's heart and mail it to them. Han desperately tries to save his boy and obey the criminal's demands. When things take a turn for the worse, Han starts to take matters into his own hands.