All the world is a puzzle, and Mike Brink—a celebrated and ingenious puzzle constructor—understands its patterns like no one else. Once a promising Midwestern football star, Brink was transformed by a traumatic brain injury that caused a rare medical condition: acquired savant syndrome.

When Kathleen Deane’s husband, Tom, tells her he’s no longer happy with his life and their marriage, Kathleen is confused. They live in Kansas. They’ve been married thirty years. Who said anything about being happy?

On Harlow Street, the well-to-do neighborhood couples and their children gather for a catered barbecue as the summer winds down; drinks continue late into the night…

The wife has it all. A big house in a nice neighborhood, a ride-or-die snarky best friend, Temi, with whom to laugh about facile men, and a devoted husband who loves her above all else—even his distaste for Temi.