After Yi Gyeom collapses from an arrow wound, the Crown Prince frantically orders a search for him, but Yi Gyeom mysteriously disappears. Meanwhile, Yi Gyeom awakens confused in a modern setting, questioning how he got there and suspecting someone tampered with his surroundings. He confronts an unseen person, accusing them of serving the Crown Prince and intruding on his privacy. As he tries to understand this strange place, he calls for help to fix a digital door lock, revealing his bewilderment and urgency. The episode ends with Yi Gyeom trapped between two worlds, unsure of his next move.