Love Song for Illusion season 1 episode 4
Episode title: Echoes of the Past
Yeon Wol, having regained her memories, prepares for the long-awaited revenge she has devoted her life to. Meanwhile, a clever move by Chung Ta allows Sajo Hyeon to avoid the binding ritual. Gradually, Sajo Hyeon finds comfort in Yeon Wol and starts to open up to her. A rumor swiftly spreads throughout the palace about Yeon Wol's true identity.
