Dan is an angel. He is also a troublemaker and also an optimist. Yeon-Seo is a ballerina who does not believe in love.
Dan then receives a mission. If he succeeds, he can return to Heaven. His mission is to find true love for Yeon-Seo, but Dan soon falls in love with her.
Original title 단, 하나의 사랑
First air date May. 22, 2019
Last air date Jul. 11, 2019