Harvard symbologist Robert Langdon is recruited by the Vatican to investigate the apparent return of the Illuminati - a secret, underground organization - after four cardinals are kidnapped on the night of the papal conclave.

Alex, a high-school boy fond of rock and punk music, falls in love with Adelaide, who shares his feelings but doesn't want to get too involved because she will soon leave for studying in America. Alex gets relief in music and his friend Martino who leads what looks to him as a more complete life.