When women end long marriages and rejoin the dating world, there's a lot to worry about. Will it be hard to meet someone? Will dating be the same as it was years ago? When should I introduce a partner to my children? But the one factor many middle-aged women don't necessarily think about is the one that can be the most life-altering: sexually transmitted diseases.

These five women sharing the Oprah Show stage have a lot in common. They live in suburban America. They are mothers with successful careers. They also, unknowingly, shared a partner. Each woman, some of whom are in disguise, dated and slept with Philippe Padieu, a man they describe as handsome and charismatic. Unfortunately, he turned out to be very different from the man he claimed to be.