In danger from those attempting to steal the prototype, So Yun agrees to stay at the lab. Nan Do puts on his best impression of Holo.

Hoping to restore Holo, So Yun sets out to jog his missing memories — and discovers a history with Nan Do that she hadn't figured out yet.

No one understands exactly how Holo came back. As the lab prepares to make the product public, Nan Do hands So Yun the eyeglasses for good.