Must You Go?

Struggling musician Ju Yeong gets offered a large sum of money for a very strange gig, but it's when she meets her audience--a man in historical garb who claims to be from the Joseon dynasty, 600 years in the past--that the weirdness truly begins.

600 years ago, Yuen fell in love with a disgraced servant girl named Yu Jeong. In the present, Yuen has trouble coming to grips with the the fact that he's in the year 2021.

Yu Jeong and Yeun try find out more about his past, but Yeun's fascination with the modern world keeps getting him into trouble.

Yeun couldn't save Yu Jeong back in Joseon, so he tries to help her succeed in the present--but another familiar face from Joseon has his own designs on her.

Yu-jeong struggles with stage fright before her big audition.

Lee Won's creepy behavior threatens Yu-jeong's career, and her relationship with Yeun.

Yeun gets a modern-day makeover to help him assimilate to the 21st century and be a real boyfriend for Yu-jeong.

Yeun realizes that his time is running out, and that he may soon disappear from this world.