Dorellik, an Italian contract killer that lives on the French Riviera, accepts a job to kill everyone with the surname Dupont that lives in France for a rich customer which supposedly would allow him to obtain a large inheritance.
Sir Sidney Ruff-Diamond looks after the British outpost near the Khybar pass. Protected by the kilted Third Foot and Mouth regiment, you would think they were safe, but the Khazi of Kalabar has other ideas—he wants all the British dead. But his troops fear the 'skirted-devils, who are rumoured not to wear any underwear.
In a dilapidated rural mansion, the last generation of the degenerate, inbred Merrye family lives with the inherited curse of a disease that causes them to mentally regress from the age of 10 or so on as they physically develop. The family chauffeur looks out for them and covers up their indiscretions. Trouble comes when greedy distant relatives and their lawyer arrive to dispossess the family of its home.
Lady Lorraine Lister, a financer of expensive experiments, has discovered a way to obtain pure diamonds by the means of a radiation device. She hires five renowned scientists to participate in additional experiments regarding this new contrivance. However, it soon happens that the device is stolen, and the scientists mysteriously disappear! Agent Dick Smart is called in by the CIA to track down the scientists and recover the device. With the help of incredible gadgets and lots of bravado, he manages to locate the source of an underground operation in Rio De Janeiro: an operation headed by a mysterious man with a speaking device fastened to his throat.
The handsome top agent Matt dies a tragic death in his bath tub - the women mourn about the loss. However it's just faked for his latest top-secret mission: He shall find Dr. Solaris, inventor of the Helium laser beam, powerful enough to destroy a whole continent. It seems Dr. Solaris has been kidnapped by a criminal organization. The trace leads to the Cote D'Azur.
An undertaker befriends a pair of motorcycle-riding, knife-wielding, psycho restaurant owners who kill people for body parts to use in their blue-plate daily specials.
Young doctor Jaime attends his father's clinic where Diana, a singer, is carried by emergency. After operating it, Jaime falls in love Diana and decides to accompany her throw artistic caravan, where replaced a singer and quarrels by jealousy with Javier, a womanizer trying to conquer Diana.
A trio of thrill-seeking go-go dancers kidnap a young girl and attempt to seduce an old rancher and his two sons out of their small fortune, but their scheme doesn't play out as intended.