All Zhang Mei-Ying has ever wanted is to be able to dance and sing onstage. When she gets the opportunity to be an assistant stage manager in the official Korean production of In the Heights, she thinks its a small but sure step closer to her dream, that it's her way into the industry. Little does she know that there's a greater story waiting for her in the wings - laughter, friendship, and a man by the name of Kim Jongdae.

It's 2021 and nighttime in Seoul.