I didn’t want to leave you... Luke Richardson has returned home after burying Natalie, his beloved wife of sixteen years, ready to face the hard job of raising their three children alone. But there’s something he’s not prepared for—a blue envelope with his name scrawled across the front in Natalie’s handwriting, waiting for him on the floor of their suburban Michigan home.The letter inside, written on the first day of Natalie’s cancer treatment a year ago, turns out to be the first of many. Luke is convinced they’re genuine, but who is delivering them? As his obsession with the letters grows, Luke uncovers long-buried secrets that make him question everything he knew about his wife and their family. But the revelations also point the way toward a future where love goes on—in written words, in memories, and in the promises it’s never too late to keep.

    They are Nell Stone, fascinating, magnetic and famous for her controversial work studying South Pacific tribes, her intelligent and aggressive husband Fen, and Andrew Bankson, who stumbles into the lives of this strange couple and becomes totally enthralled. Within months the trio are producing their best ever work, but soon a firestorm of fierce love and jealousy begins to burn out of control, threatening their bonds, their careers, and, ultimately, their lives...

    There's Todd, the handsome stay-at-home dad dubbed "The Prom King" by the moms at the playground, and his wife, Kathy, a documentary filmmaker envious of the connection Todd has forged with their toddler son. And there's Sarah, a lapsed feminist surprised to find she's become a typical wife in a traditional marriage, and her husband, Richard, who is becoming more and more involved with an internet fantasy life than with his own wife and child. And then there's Mary Ann, who has life all figured out, down to a scheduled roll in the hay with her husband every Tuesday at nine P.M.They all raise their kids in the kind of quiet suburb where nothing ever seems to happen - until one eventful summer, when a convicted child molester moves back to town, and two parents begin an affair that goes further than either of them could ever have imagined.