A group of four friends and lovers in their forties recall their past intimacies while trying to build new ones.
Ryosuke/Aya's husband-Reiko's ex
Reiko/Sekiya's lover-Ryosuke's ex
Sekiya/Reiko's lover-Aya's ex
Aya/Ryosuke's wife-Sekiya's ex
Sekiya's wife
Ryosuke's mother
Reiko's lover
