Kyungmin is a time traveler who lives in the Republic of Korea in 2020. One day, she meets Prince Gwanghae, who is 18 years old and due to some occurrence, could be able to come to the modern world from the past – Joseon Era. Even though they only meet each other for a single day, they can’t get rid of the lingering feelings they feel toward each other. Prince Gwanghae returns to his era with a heart heavy of feelings for Kyungmin as he waits and waits and waits for the day he can finally reunite with her. After her father’s sudden death, Kyungmin has to go on a dangerous time traveling journey. And as destiny has finally made a move, she meets Gwanghae again when he’s 27 years old.
“I told you I would remember you.”
“It’s good to see you again, the crown prince.”