One day, the only son of famous news anchor HAN Kyung-bae, disappears without a trace. Soon, the kidnapper calls the mother demanding a $100,000 ransom. The police assign a veteran inspector to the case and assemble a top-notch task force to work under his command. But the kidnapper constantly outwits the police and continues calling the parents with yet more instructions for the money drop.

Video journalist Hyun-Soo goes to the ER of a hospital hoping to gather material for a documentary film about death. During her visit she comes across Yoo-Jin a woman who is just about to pass away. As fate would have it she also encounters the woman's boyfriend Ji-hoo soon realizing that he used to be an old friend of hers during her elementary school days. A while later, Hyun-soo observes the seemingly ignorant stare of Ji -Hoo while Yoo-jin passes away, which leaves behind an unforgettable impression inside of Hyun-Soo's mind. One day while Hyun-Soo is in the middle of making preparations for her marriage, she receives a phone call from Ji-Hoo. During the following conversation she discovers that Yoo-jin actually committed suicide because she could not stand the fact of loving someone other than Ji-Hoo ...