Kim and Mary Ellen have been best friends since they were kids, but their busy lives have kept them apart for many years. Now, Andrea and Anji are bringing them back together on an unforgettable reunion vacation in the Caribbean with Kim, Mary Ellen and her daughter, Abby, and best friend, Kira. They explore Jamaica on a rafting trip down the Great River. Next, they discover the magic behind the Rio Secreto cave in Playa Del Carmen, Mexico. Finally, they get a true taste of Caribbean food when they learn how to cook some local delicacies.