Eager to celebrate her nuptials with her nearest and dearest, Odelia invites her adult children, her daughter-in-law, her grandchild, and her best friend/assistant to an all-expenses-paid luxury safari at Leopard Sands in South Africa, the Babel family’s favorite vacation spot. In its soil, they have deep roots—and even deeper secrets.

Twin sisters Clara and Dempsey have always struggled to relate, their familial bond severed after their mother vanished into the Thames. In adulthood, they are content to be all but estranged, until Clara sees a woman who looks exactly like their mother on the streets of London. The catch: this version of Serene, aged not a day, has enjoyed a childless life.

Elizabeth aches for one more precious hour with her son who died in a senseless accident. Andy is desperate to find his first love who vanished after a whirlwind romance. Logan craves the rush of surfing and mountain climbing, yearning to reclaim the freedom he lost after a misstep landed him in a wheelchair. Brooke is looking for an hour of relief from the guilt of an unforgivable mistake.

Aymar Castle has been under siege for six months. Food is running low and there has been no sign of rescue. But just as the survivors consider deliberately thinning their number, the castle stores are replenished. The sick are healed. And the divine figures of the Constant Lady and her Saints have arrived, despite the barricaded gates, offering succor in return for adoration. Soon, the entire castle is under the sway of their saviors, partaking in intoxicating feasts of terrible origin.

One night, Louisa and her father take a walk on the beach. He’s carrying a flashlight. He cannot swim. Later Louisa is found washed up by the tide, barely alive. Her father is gone. She is ten years old. In chapters that shift from one member to the next, turning back again and again to that night by the sea, Susan Choi's Flashlight chases the shockwaves of one family’s catastrophe. Louisa is an only child of parents who have severed themselves from the past.