After the tragic death of one of her sons, Lynn Madison moves her family to the remote town of Walton—a place seemingly perfect to deal with her grief.

Yet beneath its serene facade, a sinister mystery unearths itself. Unbeknownst to the Madisons, Walton harbors a haunting secret: children vanish without a trace.

As Lynn discovers her son, Thomas, may be in danger, she races against time in DECAY THEORY, a gripping crime mystery that delves into grief, loss, and the precarious boundary between life and death.