The husband had a secret he could never reveal to his wife. One night, while out drinking together, he secretly slipped her a sleeping pill and took the opportunity to let a man he'd met at the bar have his way with her. When the wife discovered what happened, she exposed her husband's cuckold fetish. But the husband calmly talked her down, ultimately reshaping their relationship into a swapping arrangement. Amid secrets, betrayal, and a whirlwind of revenge, how will the couple's bond be shaken?