Franco and Ciccio, two journalists, are sent to Amsterdam to investigate a mysterious murder. After having managed to infiltrate the libertine circles of the city, the two take a compromising photo that will get them into trouble.

Franco and Ciccio are two cousins ​​who, in the old West, have opened a service station, where they carry out the washing and drying of the horses and a bar service for the passing riders. One day a stranger saves them from an attempted robbery against them: the girl introduces herself as Calamity Jane, as well as Franco and Ciccio's aunt.