A regular headache leads to a terrifying outcome - and an even more devastating discovery. 

When H&R Pharmaceuticals, the company owned by Henoch Glatstein's father, is accused of manufacturing poisoned medicine, Luzzy Hartman finds himself caught between Henoch and the rest of his classmates. Can Luzzy overcome his own rocky feelings toward Henoch and help him? And can the two boys put their minds together to find out who's behind the recent hospitalizations in town - and help clear the Glatstein name?