A neighboring married woman, Eriko, suddenly shows up at the apartment of Takahashi, a boring single man who lives alone. It seems that she ran away from home after a fight with her husband over his infidelity. Understanding the situation, Takahashi decides to hide Eriko for a while, but... Takahashi, who has suddenly found himself living with a beautiful wife he has been interested in for a long time, cannot contain his excitement at this unexpected turn of events, so he follows Eriko to the bathroom and sneaks a peek into the dressing room...