Without getting too deep, the general idea is that Jack's mother, Sandra, has been overprotective most of Jack's life. As an only child of a single mother, he's coddled and protected from outside influences. He grew up without the influence of a man in the house, and with college quickly approaching, the mother knows she'll be sending him out into the world unprepared. She's ignored his growing curiosity for months but knows that's no longer an option.
Calling in every favor, she convinces two of her coworkers to help her give Jack a crash course in being a man, even if it is coming from a woman's point of view. It honestly didn't take much convincing -- both Tammy and Julia are in their prime and eager for new experiences, even if they are a little on the kinky side. Afterall, it's just one weekend, and Sandra promised it would stay between them. What's life without a little adventure, right?
That's the long and short of it. Yeah, it's a little generic, but I love the premise anyway. A weekend of debauchery with three cougars. What more could a young man ask for?