This is the untold true story of the largest murder ring in U.S. history. Seduction, poison, a rabbi and mastermind versed in the occult, and a relentless assistant District Attorney, all converge on the Italian quarter of Depression-era south Philadelphia. By the time the magnitude of the plot and its players are unmasked, the "Arsenic Murder Ring" is linked definitely or circumstantially to 300 deaths.
—Erik Greenberg Anjou