Someday or One Day

Genres: Mystery, Sci-Fi & Fantasy, Drama

Counries: Hong Kong, Taiwan

Companies: Fox Networks Group Asia Pacific, Three Phoenixes

Seasons: 1 (13 episodes)

Yu-Hsuan lost her boyfriend Chuan-Sheng in plane accident. She then discovered Chuan-Sheng and a girl look alike Yu-Hsuan both appeared in a photo taken in 1998. Accidentally, she had backed to 1998 and met a boy looked alike Chuan-Sheng.