Yukiko (Reiko Sawamura), who built a romantic relationship at work and eventually married, one day is unexpectedly stopped by Saki (Mori Nanako), her junior from her office lady days, near her home. Yukiko happily greets her old colleague and treats her warmly, but Saki secretly harbors deep resentment and jealousy toward Yukiko. These buried emotions now ignite a new, twisted drama.