Cho Gyuri is a 19 year old girl who inhabits her grandfather's room full of different machinery and objects. In that room is a young boy, named Lee Sungmin, who is in a deep slumber and would only wake up once Gyuri turns 20. When she found out about her grandfather's design, she began working hard to speed up time.

A story that mixes up history. Jessica Jung from the Mayans. Sungmin from the Roman Empire. Yeeun from Italy. L.Joe from Greece. Ailee from the Aztecs. Goo Hara from t