Carlo Reali

As the railroad builders advance unstoppably through the Arizona desert on their way to the sea, Jill arrives in the small town of Flagstone with the intention of starting a new life.

The town of Newnan are seeing little green men everywhere. The military have arrived and are on the lookout for UFOs. Everyone's high strung and Sheriff Hall (Bud Spencer) is left to deal with the aftermaths of the hysteria. On his way home from patrol he happens upon a little boy claiming to be an alien by the name of H7-25. At first the sheriff doesn't believe the boy, but with the mounting evidence, even he must eventually concede. Soon the military is after Sheriff Hall and H7-25, and it is up to the sheriff to keep the boy safe and beat up large swaths of soldiers so H7-25 can go home.

Rivaling Pirates and Spanish gold are the ingredients for this story. Blackie the pirate is the one who first hears from this shipment of gold when he encounters "Don" Pedro. He thinks of a plan to find this ship and its gold. His counter player is the vice roy of the Spanish kolony. When they visit one of the pirate settlements, they find three other pirate captains over there. One of them sells goods and prisoners from his latest capture. Don Pedro recognizes the wife of the vice roy, and Blackie buys her. However, one of the pirate captains, Skull, knows also who she is, and tries to make a deal. Blackie refuses, and Skull makes a deal with the other two pirate captains to plot against Blackie.

An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.

Outlaw drifter Buddy is mistaken for a doctor after his Indian companion inadvertently steals a bag of surgical instruments.

The "Bulldozer", a former football star, is now working as a fisherman. As a group of street-people arranges a football match against the local Armybase, he is asked to be their trainer. His boat was damaged by a submarine and he currently has no work, so he agrees.

Following the events of The Sheriff and the Satellite Kid, Sheriff Hall and H-725 (using the official identity of Charlie Warren) still get no rest from the military - because the little alien has not yet grasped the meaning of keeping a low profile. They are constantly on the move, and H-725's father has had to pick them out of a tight spot too many times already.

Island farmer Banana Joe helps the local community by trading his bananas for goods. When gangsters arrive with plans to construct a banana processing plant, Joe kicks them out, but the mob boss discovers that Joe is operating without a license. After the mob tips off the authorities and Joe's boat is impounded, he ventures into a big city for the first time to seek help.