Mika, who grew up in an orphanage, having been abandoned soon after birth, begins to look for her mother Naoko. Finding Naoko living happily with her husband and teenage daughter Ayano, she continues to watch from afar...
Broken-hearted and depressed Kyoko meets the kind and handsome young man Kadono, who she subsequently marries. Their marriage is a happy one, until Kyoko begins to suspect that Kadono may be in love with someone else.