Tracey is hot for Jeff. Unfortunately he is the boyfriend or her best friend, Madge. It doesn't make it easy that Tracey is living with Jeff and Madge after breaking up with her own boyfriend. It doesn't help that she can hear them having great sex every night.
When Madge tells her that she wants to give Tracey to Jeff as a birthday present, it shatters her ideals of perfect relationships. It also pushes her into the wildest sex of her life.
A story for adults.