Kim Hyeon-sik

Kyung-hak, who has been studying to become a police officer, is forced to pay back his mother’s debt of $20,000. Already struggling and having to work part- time while studying, Kyung-hak is now forced to make big monthly loan payments on top. Eventually, Kyung-hak stops studying and becomes a deliveryman to make ends meet. Meanwhile, cracks start to form in his relationship with his beloved girlfriend Hye-jin.

Jina is the top employee at a credit card company call center. She avoids building close relationships, choosing instead to live and work alone – until she is suddenly tasked with training a new recruit.

Due to that accident, Yi-young loses her memory and Soo-jin goes missing. Under that situation, Yi-young regains her diving skills, but her strong desire to keep her position as a diva and Soo-jin's disappearance push her into madness.

Gurus in the late Goryeo dynasty try to obtain a fabled, holy sword, and humans in 2022 hunt down an alien prisoner that is locked in a human's body. The two parties cross paths when a time-traveling portal opens up.