In Italy, a cardinal was killed during the celebration of the Pope's birthday. Soon in Los Angeles, Harry Addison, a successful lawyer, discovers on his answering machine a recording of a desperate call for help from his brother Daniel, who has been living in the Vatican for many years and has been ordained a priest. And literally a few hours later, the tourist bus in which Daniel is traveling to Assisi explodes on the road. Harry Addison urgently arrives in Italy and unexpectedly finds himself in the very center of a truly Kafkaesque phantasmagoria of brutal violence and terror...