Eun-ha, who is a normal junkyard employee, secretly works as a delivery clerk that deals with unusual delivery requests. One day, Eun-ha heads to Seoul to pick up a client who is involved in a gambling crime that wants to flee overseas. However, Eun-ha meets the client’s young son at the pick-up point, instead of the client himself. Kyeong-pil, a current police officer who is actually masterminding the whole gambling crime, chases after the missing child who has the security key to the bank account that holds 30 million dollars.

Han Hyo-joo plays a surgeon whose father is a famous comic book creator. One day Dad goes missing and she rushes to his workshop to look for him, and instead finds a strange man bathed in blood. She gets kidnapped by the bloody man, which is where their story begins. The drama takes place in 2016 Seoul, but in different dimensions that exist in parallel with one another. It’s described as a suspense romance melodrama about “a man and a woman who are living in the same time, but different worlds.”