Even as a child, Serenity Jones knew she possessed unusual psychic gifts. Now, decades later, she’s an acclaimed medium and host of her own widely viewed TV show, where she delivers messages to the living from loved ones who have passed. Lately, though, her efforts to boost ratings and garner fame have compromised her clairvoyant instincts. When Serenity books a young war widow to appear as a guest, the episode quickly unravels, stirring up a troubling controversy.

Once, Hope Payne was a mermaid, performing at the local theme park and captivating audiences young and old. Today, she's married to a pragmatic marine biologist who has filled the pool in their backyard with flounder for a special study. Before he begins, the fish vanish - echoing a loss Hope alone can understand. She senses there's something underwater, something alive and hungry for more, but is she in too deep to ever resurface?

Diana O’Toole is perfectly on track. She will be married by thirty, done having kids by thirty-five, and move out to the New York City suburbs, all while climbing the professional ladder in the cutthroat art auction world. She’s an associate specialist at Sotheby’s now, but her boss has hinted at a promotion if she can close a deal with a high-profile client. She’s not engaged just yet, but she knows her boyfriend, Finn, a surgical resident, is about to propose on their romantic getaway to the Galápagos - days before her thirtieth birthday. Right on time.

Everything changes in a single moment for Dawn Edelstein. She’s on a plane when the flight attendant makes an announcement: Prepare for a crash landing. She braces herself as thoughts flash through her mind. The shocking thing is, the thoughts are not of her husband but of a man she last saw 15 years ago: Wyatt Armstrong. Dawn, miraculously, survives the crash, but so do all the doubts that have suddenly been raised.

Japan, 1957. Seventeen-year-old Naoko Nakamura’s prearranged marriage to the son of her father’s business associate would secure her family’s status in their traditional Japanese community, but Naoko has fallen for another man - an American sailor, a gaijin - and to marry him would bring great shame upon her entire family. When it’s learned Naoko carries the sailor’s child, she’s cast out in disgrace and forced to make unimaginable choices with consequences that will ripple across generations.