When you are in trouble, just listen to the sound of the waves. The sea of Kamakura is always gentle. Kara, who had been raised by his single father, inherited an old house and café in Kamakura. One day, a recently divorced friend of his asked to stay with him, and suggested that he turn the empty rooms above the crowded café into a bed-and-breakfast to increase his income. As the tenants continue to move in, each of them encounters some situation in their lives. Living with unfamiliar people is a bit troublesome, but also unexpectedly warm. The original lonely soul has found a new siren here...