Sometimes the secret to a happy marriage is overlooking (with hidden cameras) your wife's cheating. Tsuyoshi and and his wife Misaki are trying to have a baby after being married for a few years, but one day, Tsuyoshi spots a used condom in their bedroom. Upon setting up cameras to see what's going on, he finds out that his wife has a lover. Will he confront Misaki, or will he keep watching to "grasp the situation" better?