What happens on vacation stays on vacation...For workaholic couple Leo and Caitlyn, it's the first vacation they've had for ages, relaxing in the sun-drenched French Riviera. But after an argument threatens to ruin everything, Caitlyn meets a charming European couple who turn her on to truly wicked possibilities. Caitlyn makes it up with Leo, but can't stop thinking about what she's learned from fiery Marco and his beautiful, blonde lover, Sofia. Could they handle the whirlwind of lust and breathless sensual exploration offered by the chance to truly engage with Caitlyn's new friends? What are the dangers and emotional consequences that come with being intimate with other people? And how will it affect their upcoming marriage?One last summer before the wedding...One last chance to test their bond, and their boundaries...