Mari reunites with her former classmate. Having only known him as a child, she's surprised to see how much he's grown into a confident man. Tempted by his invitation, Mari follows him to his room. Blindfolded and spanked, she experiences sex like never before—intense, thrilling, and utterly unforgettable. While her husband is away on a business trip, she finds herself drawn back to him once again. Her feelings for him remain unchanged.