After coming out unscathed from the meeting with the "Banda della Magliana", four friends, improvised criminals, are on the trail of a woman on the run, who stole all their money.
The Cormorant is a former summer camp at the mouth of the river nearby Pisa. This is where young Mario lives. Everybody nicknames him B.B. (for Bugs Bunny) because of his teeth. Around him ...