Gu Ling lost her parents when she was a child. Her sister, Gu Xi, also died when she was 15 years old.
Gu Xi has wanted to be a painter since she was a child. For Gu Xi's dream, Gu Ling came to a strange city alone and met all kinds of people.
But in the end, will they be separated?
Can that girl get a word from them that it doesn't matter?
Will that girl return to that girl at the last moment?
Probably, everything has been destined to be a road with no midpoint from the very beginning...