Kamakura, the ancient capital by the sea, is a small town along the mountains. In an inconspicuous corner, there live the four sisters of the Xiangtian family. Their father ran away from home with his lover in his early years, and their mother simply left the girls in the care of their grandmother. After their grandmother passed away, the granddaughters inherited this large house with a long history. Taking on the responsibility of the family too early...