Makoto and his wife Yui have been married for three years, but lately, their intimate life has been unsatisfying. Makoto is often away on business trips, and to make matters worse, he suffers from erectile dysfunction. Overwhelmed by guilt, Makoto worries about Yui, who has become like a shut-in, overly conscious of being a virtuous wife. Out of concern, he encourages her to attend a cooking class she had previously wanted to join, but...