Four friends became three. Only murder will set things right.

An emotional "what would you do?" thriller debut about revenge, the bonds of friendship, the reverberations of a small-town crime, and the limits of justice.

"What happens when three women decide to avenge the murder of their best friend? In her riveting debut, Katie Collum explores what we owe the ones we love, and how ordinary life can change in an instant. I couldn't put this thriller down."-Amanda Eyre Ward, New York Times bestselling author of The Jetsetters

Peter Miles has to die. And Dylan Darcy, Priya Shah, and Isabel Guerrero-a bartender, a nurse, and a student-have to be the ones to kill him. As they see it, this local cop deserves death for murdering their best friend and getting away with it. All they need to do to pull off the perfect crime is stick to their carefully prepared plan.

So that's exactly what they do. Murder, it turns out, is surprisingly easy when you're fueled by revenge. What comes after is the hard part.

As the dry Texas heat gives way to cooler weather, their blazing rage is replaced by a chill fear. Because there's a fallout that comes from settling the score against someone like Peter, and it could cost them more than they've bargained for. When the lead investigator on the case starts sniffing around for a cop killer, the three friends are not feeling as confident as they did on that fateful night. And when they start receiving death threats, it weakens their resolve even further . . . but it's too little too late.

What they don't realize is that this detective has her own reasons for wanting to get to the bottom of Peter's murder. Reasons that don't involve them at all. The investigation ramps up, and so does the pressure, leaving Dylan, Priya, and Isabel to wonder if ending his life may end up costing them theirs.

As the guilt of what they've done settles in their bones, they realize there's no going back. Someone is going to have to take the fall.