An ironic and comic trial, in five episodes, of the history of the Sanremo Festival, demystifying the most solemn musical event on Italian television. The "judge" Renzo Arbore presides, together with "Prosecutor" Michele Mirabella and "Defense attorney" Lino Banfi.

A rock band called "The Trip" want to get to Montecarlo to take part in a festival. Due to a series of circumstances however they end up in the place they set about the journey from: Rome. There is a music festival on at The Terme of Caracalla and they sing there.