France 1944. Quatre soldats et un lieutenant indisciplinés de l'armée américaine désertent et se retrouvent malgré eux chargés d'une mission périlleuse.
The Pope is disturbed by the fact that today's youth are not as spiritually inclined as they should be, and so he decides to set up a Vatican television station and entice them back into the religion of their ancestors. In order to particularly grab the wandering flock, a priest invites the comedians from "The Other Sunday," an actual comedy program on Italian television, to perform on this new channel.
A mysterious killer eliminate the singers of a brand new music Festival in Naples. Some journalists will try to discover who is that murderer who seems to be obsessed by the song "Funiculi, Funicula".