Mary, Cindy, Ariel, and Gloria were inseparable growing up. They promised each other at their high school graduation, they would always stay in touch. But life happened as they moved to different states, got married, and raised their families. Thirty years later, they meet again at their high school reunion. That day they decided in two years when they all turned fifty, they were going to take an "All Girls" vacation cruise in Europe. Not only would...