Risa, a wife, returns to her parents' home to attend her husband Hirotaka's class reunion, which she hasn't seen in 20 years. The house used to be a pawn shop, and the dignified atmosphere of the old house... The two of them feel as if they are on a trip, and they start to get cozy in the storehouse. Hiromi, her father-in-law, who has been peeping at their lewd acts, sees the image of his dead wife in Risa. He sucks on Risa's breasts as if he were back in his youth...