Leng Ruoxuan, a proud queen, the proud daughter of heaven.
Zhong Yumeng is a childlike princess who has not experienced much in the world.
Zhu Ying, a chubby little girl, is outspoken.
Yin Wen, a gentle and delicate girl, is well-behaved and confused.
They are the girls born in the 1980s. They have lost their youthfulness and show off the brilliance of youth. They, four girls with very different personalities, met, got to know each other, and built dreams in this city on the other side of the ocean. Their charming youth is bound to this quiet but unfamiliar city. From this city to that city, how will they interpret the youth of that moment? How will they transform into those beautiful butterflies?