Her carefully crafted life is about to be demolished.

After a difficult childhood, Samantha Williams craves simplicity: jigsaw puzzles, lectures at the library, and the students she adores in her role as an elementary school art teacher in the dusty farming community of LaCrosse, Washington.

But when an SUV crashes into the building where she teaches, her entire world is upended. Samantha manages to keep the children safe, but her car isn't so lucky. Oddly, her purse—with her driver's license, credit cards, and other identification—is missing from the wreckage.

After authorities discover that the driver in the accident was shot seconds before the crash, Samantha quickly becomes entangled in increasingly strange events that have her constantly looking over her shoulder.

Samantha has long tried to forget the tragedy of her past, but the twisting connections she discovers between the murdered driver, a deadly secret government project, and an abandoned town can't be ignored. Those involved are determined to keep these secrets buried, and they'll use any means necessary to stop Samantha's search for truth.