Domestic disturbance calls to the residence of Booth and Stacey Keiser aren’t uncommon. Keiser, a State Police trooper, is known for his volatile temper, and his wife has often been the target for his rage. So officers of the Swatara Creek Police Department aren’t surprised when the couple are found dead on the lawn of their home.

Officer Fred Drumheiser is ready to write it off as a tragic murder-suicide. But Corporal Harry Minnich isn’t prone to snap judgments. Something about the situation rubs Harry wrong, and his suspicions lead to a forensics test with a surprising conclusion.