Flo is sick of Tokyo. She is stuck in a rut, her translation work has dried up, and she's in a relationship that's run its course. That's until she stumbles upon a mysterious book left by a drunken passenger on the Tokyo Subway.

Yeongju did everything she was supposed to, go to university, marry a decent man, get a respectable job. Then it all fell apart. Burned out, Yeongju abandons her old life, quits her high-flying career, divorces her husband, and follows her dream. She opens a bookshop. In a quaint neighbourhood in Seoul, surrounded by books, Yeongju and her customers take refuge. From the lonely barista to the unhappily married housewife, and the writer who sees something special in Yeongju - they all have disappointments in their past.

Spanning the years 1900 to 1977, The Covenant of Water is set in Kerala, on South India’s Malabar Coast, and follows three generations of a family that suffers a peculiar affliction: in every generation, at least one person dies by drowning—and in Kerala, water is everywhere. At the turn of the century, a twelve-year-old girl from Kerala’s long-existing Christian community, grieving the death of her father, is sent by boat to her wedding, where she will meet her forty-year-old husband for the first time.

“From exactly midnight until daybreak, the Namiya General Store advice box will be reopening for one night only.” When three delinquents hole up in an abandoned general store after their most recent robbery, to their great surprise, a letter drops through the mail slot in the store’s shutter. This seemingly simple request for advice sets the trio on a journey of discovery as, over the course of a single night, they step into the role of the kindhearted former shopkeeper who devoted his waning years to offering thoughtful counsel to his correspondents.

Is it possible to write a sidesplitting novel about the breakup of the perfect marriage? If the writer is Nora Ephron, the answer is a resounding yes. For in this inspired confection of adultery, revenge, group therapy, and pot roast, the creator of Sleepless in Seattle reminds us that comedy depends on anguish as surely as a proper gravy depends on flour and butter.