Tomorrow There Will Be Sun

"Two families arrive in Puerto Vallarta, Mexico, for a once-in-a-lifetime vacation ... Jenna has organized the trip to celebrate her husband's fiftieth birthday--she's been looking forward to it for months. Their friends, the Solomons, can be overbearing at times, but Jenna is sure everything is going to be just perfect--and the margarita refills delivered by the house staff certainly don't hurt, either ... Yet as the families settle into their vacation routines, their best friends suddenly seem like annoying strangers, and even Jenna's reliable husband Peter seems to be staying up late with his friend Solly and sharing clandestine phone calls with someone"--