A group of boys accidentally become embroiled in a bungled art theft, in this fast-paced fictional adventure film. Two stolen oil paintings are thrown from a moving train, and the film follows the ensuing chase for their recovery, involving diving, secret passageways, caves and morse code.
While fighting in Britain, Roman forces commanded by Caligula capture the noble warrior, Glaucus. Seeing in him gladiator material, Caligula takes Glaucus back to Rome along with other hostages including Glaucus's girlfriend, Ena.
Lucky Jo and his three friends are little criminals, who try to live from small burglaries. But they never have luck - ever so often something inpredictable happens to Jo and gets one of them arrested.
Once upon a time there lived in the same village two men bearing the very same name. One of them chanced to possess four horses, the other had only one horse, so, by way of distinguishing them from each other, the proprietor of four horses was called "Great Claus," and he who owned but one horse was known as "Little Claus".
Prospective hotel owner Carlos is having problems with the completion of his hotel on the Adriatic. He quickly asks his niece Vivi in Germany to cancel the bookings he has made so far.
An outdated fireclay factory is due to close, but its long-time employees can't imagine stopping what has fed them all their lives and what they do best.