Mystic Sketches, the fourth installment of The Beadle Files, begins during a sweltering August heatwave in Chicago. A body is fished out of Lake Michigan. Detective Joe Bower, combating the bile of heartburn, is on the scene. LC Beadle is dispatched to investigate. His initial inquiries put him on an evidently uncomplicated trail, but soon there are serpentine twists and turns that keep his instincts alert and on edge. Sonny Trego joins the inquiry...