Eiko, who has a hidden past, works as a bar proprietress. One day, her old friend Shigeko comes to the bar with her child named Taiji. But she suddenly disappears leaving him behind. While looking at Taiji, Eiko remembers her past of giving birth to a baby. The two start a new yet peculiar life. This is a story of pseudo mother-and-child groping for a new type of family.