These youngsters are studying goodness. But have they just stumbled upon an act of evil? Gary Fitzpatrick senses he's closing in on the truth. So when he, his uncle, and his brothers roll into a hot Illinois town, the thirteen-year-old believes this time he'll finally be able to speak to the doctor who amputated his leg. But before he can start his quest for answers, the teen detectives are intrigued when they spy an ambulance carrying a patient from a chocolate shop. Learning that the victim had been poisoned by his dining partner, Gary and his brothers set to work unraveling the mystery. But as their hunt for evidence takes them across the community, the team of teenaged detectives is startled to learn that the physician they're looking for may be caught up in the same nasty scandal¿ Can Gary and his siblings solve the case and locate the secretive surgeon?