"It's a brutally hot day in Pine Hills, and Krissy Hancock would love to be sitting in a shady spot and sipping her favorite iced coffee. Instead, she's lacing up her sneakers for a marathon--and swiftly regretting it. Especially when she finds one of the other runners lying motionless. At first Krissy suspects heatstroke, but the red marks around the man's throat tell a more sinister story. The victim, it turns out, had brewed up all kinds of enemies...