Nana is a married woman who works for an aphrodisiac sales company. Having achieved top-class sales results, Nana is selected to train new employees and is transferred to the Tokyo headquarters, leaving her beloved husband behind in Kyoto. A few months later, as part of her training, she goes on an outside sales trip with new employee Tanaka, but on the way, they are suddenly caught in a rainstorm like a bucket being overturned. Even though her underwear is soaked, Nana jogs off to the house she is visiting... Her soaked suit Kokoro tempts the customer...