The leader of a band of mountain bandits defending Naples against the French plays a dual role as a police official. Our romantic hero pivots as well between two women, the sister of a royalist and a lady spy.
The young lady-in-waiting of a millionairess is kidnapped, in her stead, by people who had an interest in the disappearance of the rich heiress. The girl is entrusted to a shady figure who has, for years, organized a special "hotel" where - in rigorous segregation - he holds prisoners the people entrusted to him by those who, for reasons of interest, have decreed their disappearance.
Cainá is a young peasant who lives in a small village in Sardinia together with her goats and parents. She is a wild and free spirit and unconventional for any small and closed communities dominated by old rules. Cainà yearns to escape from such a closed atmosphere and the isolated island, so, as an old tune says: "Somewhere beyond the sea, somewhere, waiting for me…"; When a boat arrives to the island, she will do her best to flee away from her little oppressing village and experience new adventures in the continent with the help of the boat captain.