Yoon Ji-ryun

Unassuming high school girl Jan-di stands up to — and eventually falls for — a spoiled rich kid who belongs to the school's most powerful clique.

Finding life in all that’s left behind, a detail-oriented trauma cleaner and his estranged uncle deliver untold stories of the departed to loved ones.

Yoon Soo-wan and Park Dong-joo were each other's first loves, but were forced to separate due to painful family circumstances. Soo-wan, who had been blind, eventually undergoes an eye transplant surgery that restores her sight.

Kang Baek-ho and Ham Yi-seul have been best friends since elementary school. Baek-ho has never acknowledged his attraction to her, unaware that Yi-seul has been in love with him for more than 20 years. Finally, at the wedding ceremony where Yi-seul is about to marry another man, Baek-ho regrets that he never confessed his love for the bride. A mysterious conductor suddenly appears and offers him a second chance to win Yi-seul's heart. Baek-ho travels back in time to various events of their lives hoping to change the outcome of their relationship. But changing the future is not as easy as it seems.

Every night at 10 PM, their worlds overlap. Their love transcended time and space, and when it broke out, it was eternal.