Misa met Atsushi when she was a teenager, became pregnant, and gave birth—but Atsushi was sent away to live with distant relatives. Twenty years have passed, and Misa visits a hot spring inn for the first time in a long while. There, she discovers that Shun, now grown, is working as an inn attendant—the same son she once lost. Reunited at last, the two confront their shared past and buried emotions, forging a new and forbidden bond. A warm, dramatic tale of passion and reunion.