Two sculptors contend for the same woman, until one the two, mad with jealousy, murders the other and hides the corpse inside one of his sculptures.

"The fragment we have of Nina la poliziotta is from the mid-section of the film. Rotten luck, some might say. The female protagonist takes it on herself to investigate and unmask her boyfriend’s killer, convinced she knows who did it. But what if she’s wrong?" - Andrea Meneghelli

The most explosive and surreal episode of the Maciste series in which we see the hero up against the hardships of the average man: stress, women and cars. The Itala studios are in a disorderly state, the crew watches Maciste in the courtyard as he happily darts around in his new car, a single seater renamed Diattolina in honor of the car maker Diatto, the film’s “sponsor”. Maciste is happy; he caresses the car and talks about his vehicle as if it were his bride. The only thing missing is the honeymoon. But peace and tranquility are not easy to come by: in every corner of the country Maciste is recognized as a generous film star. Waiters, salesmen, passersby and little kids: everyone has a problem for him. Who said something about relaxing? An abandoned castle looks like a peaceful place, but Maciste has not met the wild American girl hiding in the cellar…