"Kyoko" and "Rei" are mom friends who enjoy meals and short trips together due to the bond between their children. Both of them have entered a phase of marital boredom, and these women in their prime are always frustrated with unmet desires. One day, "Kyoko", who works at an apparel company, finds swimsuits among the clothes she bought at an employee discount, and the two end up wearing bikinis to each other…
