Desire's Trap

Or the first time to make love by other people spectators, now Mark exceptionally excited stimulation, thrusting in Grace's body seems to become bigger and thicker rod, balls impact on Grace's crotch, popping sound echoed one after another.
Grace's body, which was already half up, lay back down again under Mark's thrusts, and her melodious cries of pleasure kept coming out from her mouth, while she slightly turned her head sideways and looked at John who was standing in the doorway.
Mark and his wife Grace's happy life takes a turn for the worse when Grace adopts an orphaned child, John... Mark's life is thrown into crisis when he becomes emotionally involved with Dr. Turner while he's abroad and Grace faces threats at home from her security guard, Thorne .....
Will their lives ever return to normal? Will they be able to face their former lovers again after cheating?