Investigating the savage beating of a migrant worker who refuses to reveal his attacker, Sheriff Heidi Kick is catapulted into a murder case in the underground world of illicit cage fighting, before her husband suddenly disappears.

"A lovely Sunday afternoon in late June and the annual Loon Lake Youth Fishing Tournament is coming to a close. People are happy, kids full of ice cream and teenagers setting off firecrackers so loud no one hears the gunshot. But when the crowd thins out an attractive young wife makes a grisly discovery: A single bullet to the brain has killed her much-older husband -- the richest man in Wisconsin. Just as Loon Lake Police Chief Lewellyn Ferris gets...