Dong Ju’s lifelong aspiration has been to become a renowned writer, just like his namesake among the literary greats. Unfortunately, his current circumstances are characterized by utter despair. One day, a mysterious youngster named Kang San, possessing extraordinary powers, enters his life. The identity and origins of San hold no significance to Dong Ju, yet San forcefully involves him in a massive turmoil while Dong Ju is already trapped within his own tempestuous reality. Unexpectedly, Dong Ju stumbles upon San’s alluring manuscript, which he believes will guarantee his dreams of becoming a bestselling author. Driven by desperation and with nothing left to lose, he makes the irreversible decision to cross a boundary. His brief moment of triumph as a celebrated writer is soon overshadowed by the realization that the events in his novel eerily mirror real-life incidents that started nine years ago. Unavoidably, he becomes the primary suspect in a murder investigation, and knowing there’s no way to rectify the situation, he and Kang San embark on a quest for the truth.