千重子（山口百惠饰）和苗子（山口百惠饰）是一对孪生姐妹，出生后的姐姐千重子，由于家境贫寒无力抚养，即遭遗弃，幸而为一家绸缎批发商所收养，成为一名养尊处优的小姐。而妹妹苗子，虽没有被父母抛弃，却在襁褓中便成了孤儿，长大后自食其力，到山里种植北山杉。一次偶然，相貌相似的她们由于一条腰带的契机，姐妹俩的身世真相大白。雷雨袭来时，在杉林里无可遮蔽的情况下，苗子便毫不顾惜自己，以身体庇护姐姐。姐妹俩久别重逢，但因彼此生活方式不同，终于不得团圆。为了不影响姐姐的幸福，苗子宁可远遁深山僻壤……

Chieko (Momoe Yamaguchi) has been raised as the only child of parents who run a dry goods store. When Chieko was a middle-school student, she learned that her parents are not her biological parents. Cheiko's mother told her that she was stolen while sleeping under a cherry tree in Gion, Kyoto, Japan, but Chieko doesn't believe that. Her relationship with her parents is very close. Chieko only tells her childhood friend Shinichi, but...

교토 포목점의 딸 치에코는 자신이 버려진 아이라는 사실에 고민하던 중 기온마츠리에서 자신과 꼭 닮은 여자, 나에코를 만나게 된다. 어릴 때 헤어진 여동생(?)이란 것을 알고 가까워져서 다가가지만 나에코는 치에코의 행복을 깨뜨릴까 두려워 거리를 둔다.

Двадцатилетняя Тиэко — наследница известного магазина кимоно. С детства она знает, что является приемной дочерью. Она не может забыть, что настоящие родители бросили её, хотя в новой семье её окружает ласка и забота. Неожиданная встреча с сестрой-близнецом меняет всю её жизнь.