Members of a book club investigate the murder of one of their own.

It's the morning after book club, and Abby Collins is in shock. Her husband Simon is lying dead on the kitchen floor while her best friends Jess and Maya handle matters with the police.

An inconclusive autopsy means no one can say for certain his death was anything but a tragic accident. The police, however, are convinced Simon was murdered. As they build their case, they catch Abby in a lie that makes her the prime suspect.

Facing arrest from a detective unwilling to consider anyone else, Abby and her friends start their own investigation.

A cloud of suspicion is hanging overhead as Abby begins to pull at the threads of Simon's world. She's shocked to uncover a trove of secrets that unravels everything she trusted about her life and her marriage.

But when secrets of her own come to the surface, Abby is forced to relive a past she's been determined to forget.