Six years after getting married, his wife, Rinko, who is not blessed with child treasure and has lunch lonely, had a daily routine to go to a local set meal shop. One day, a new black man, Oliver, came to deliver to home. Rinko who drinks raw spit on a strong body that her husband does not have. Every time she delivers her, the relationship between the two becomes closer. One midsummer day, Rinko decided to lend a shower to the sweaty Oliver. And she accidentally witnessed Oliver's decamara when she went to deliver the towel ...