A chance meeting on the Isle of Palms, one of Charleston's most stunning barrier islands, brings former sweethearts Adam Stanley and Eve Landers together again. Their respective spouses, Eliza and Carl, fight sparks of jealousy flaring from their imagined rekindling of old flames. As Adam and Eve get caught up on their lives, their partners strike up a deep friendship -- and flirt with an unexpected attraction -- of their own. Year after year, Adam,...