While traveling through the kingdom of Sulom, Samson is arrested and finds that the queen no longer reigns and that a power-mad warlord and his army of mercenaries now controls the kingdom. Samson teams up with some of his one-time adversaries to battle the usurper and restore the rightful queen to power.

Rambaldo Tramontana, a count who went into battle backed by the French, returns to Matera to take revenge once he is victorious, but the city is deserted and he begins to commit abuses and violence.

A scientist invents a filter that can increase the power of a laser beam, turning it into a death ray! A dangerous crime organization wants the device and will stop at nothing to get it, while murder and violence follow Joe and Tom to Singapore as they try to foil the evil plans.

One of Tony and Brad's best with the boys on the hunt for a treasure of missing LSD that has been stolen by a criminal organization. Their quest eventually leads the boys to far-off desert oil ruins where much of the film's best action occurs.

Italy, 1848. Clara, daughter of a rich Milan trader, is in love with Enrico, a political dissident, but she is forced to marry Count Severi.

Vanina Vanini, a bored, spoiled Roman countess, falls in love with a dedicated young patriot who is in Rome to assassinate a traitor to the brotherhood of the Carboneria.