My lovely wife / Samantha Downing.

Our love story is simple. I met a gorgeous woman. We fell in love. We had kids. We moved to the suburbs. We told each other our biggest dreams, and our darkest secrets. And then we got bored. We look like a normal couple. We're your neighbors, the parents of your kid's friend, the acquaintances you keep meaning to get dinner with. We all have our secrets to keeping a marriage alive. Ours just happens to be getting away with murder.

Millicent and her husband-- let's call him "Tobias"-- met, fell in love, had kids, moved to the suburbs-- and got bored. They have a secret to keeping a marriage alive. It happens to be getting away with murder. But "Tobias" has been making mistakes. They're starting to find the bodies.... -- adapted from jacket and perusal of book