A trusting husband, blissfully unaware of his wife's secret life, returns home to find her in the throes of passion with another man. Katry, the temptress, has given herself permission to indulge in her infidelities, her husband's cuckold status a hidden turn-on. As she grinds her hips against her lover's rigid shaft, her moans fill the room, a symphony of betrayal that her unsuspecting husband is about to discover.