Satomi, in her sixth year of marriage. Initially, things were going well with her husband, but lately they've been on the rocks due to a rut in their relationship. Satomi has started wanting children and thinks that she can't let things continue as they are, so she's considering repairing their relationship... when she discovers her husband's infidelity. Apparently, his mistress is his ex-girlfriend from college, Anna. A cold and sharp battle between two women ensues over the indecisive husband. The cycle of taking and retaking culminates in a mad threesome with the beloved wife and the ex-girlfriend...
