En route to his hometown of Incheon to receive an award for his book about Mil-wol Island, where people have been known to vanish, author Dong-jo accidentally loses his bag. Needing to borrow money, he reconnects with some old classmates including his former sweetheart, Yoo-jin. Dong-jo is all smiles during his reunion until Ki-jung appears, and upon seeing him, painful memories flood Dong-jo’s mind. Not only was Ki-jung the cause of Dong-jo’s greatest childhood trauma, but he is also the biggest inspiration behind his new novel. Fate has apparently decided that now is the time for Dong-jo to fully confront his dark past.

신춘문예에 당선된 동조는 축배를 들고 고향으로 가던 중 지하철에 쓰러져 잠에 든다. 눈을 뜬 동조는 가방이 없어진 것을 깨닫고 유실물 센터로 가지만 엉뚱하게도 고교 시절 잃어버린 배낭을 찾는다.