Then Blair, Lauren, Madison, and LaShawn start having dinner and drinks every week, and soon they're as close as sisters. Or so they say. But each woman has a scandalous secret. Redheaded beauty Blair thinks her husband's sleeping around. People-pleasing Lauren's marriage has become a no-sex zone. Sex-crazed Madison's father has dropped a bomb that seriously rocks her foundation. And innocent LaShawn, an engaged kindergarten teacher, is planning her dream wedding but fantasizing about a student's dad. When the girls finally get real with each other, they decide to go on a two-week Caribbean cruise. The ship is full of single men. The object is 100 percent sexy fun. And everything that happens on the ship on the ship.