For Jaeyoung, Room 1305 is more than just a space – it's his true home. In a world of constant change, this room has been a constant refuge for him. So when his ex-neighbor, Taeyoung, suddenly reappears, Jaeyoung feels both excitement and apprehension. Despite the years that have passed, Taeyoung's possessive ways still make Jaeyoung uneasy. As Taeyoung tries to re-enter Jaeyoung's life, their past friendship and passionate attraction emerge once again. But their reunion only marks the beginning of a series of unexpected events that fate has in store for them.