Yoshie married into a fatherless family as a second wife. Her husband Kensuke treats her kindly well, but her only son Takahiro doesn't open up to her, and she is troubled by her. One day…. Her husband Kensuke leaves her house for a few days on a short business trip. Feeling uneasy about her, Yoshie cannot hide her nervousness about living alone with Takahiro. However, that night, the sliding door of Yoshie's bedroom gently opens while she is asleep. And Takahiro, who has begun to be conscious of Yoshie as a "woman", sneaks into her room...
