Miho, a housewife who spends her days feeling unfulfilled, has a chance encounter with an instructor from the driving school she used to attend. She used to have an affair with that man and repeated kissing in the car under the guise of lessons. At that time, she broke off the relationship with her last bit of reason, but from that day on, her desires burned again. They overlap their bodies in the confined space of the car, entwining themselves intensely to the point where the windows fog up with their breaths and heat. Miho, who goes to a hotel pretending to go out with friends on weekends and finally has an affair even at her home while her husband is away, can no longer stop…