Plot

Alome, emperor of a distant red planet, threatens to destroy Earth. Roy, Dr. Faz and psychologist Elena are sent by Earth leaders in a peace mission, but they get involved in a series of adventures that include romance, robot fights and space battles.—Alejandro Vidal

Mars irradiates cosmic emanations to Earth. At UNO headquarters, scientists from France, Italy and the United States meet to deal with the problem and send Roy, the world's best astronaut, to investigate. He is accompanied by Dr. Faz and psychologist Helena. Upon arriving to Mars, Roy and his friends are caught by King Alom's robots, a tyrant who wishes Faz and Helena work for him. Roy fights off the robots and escapes with the aid of the Princess, Alom's daughter. Roy takes over a spaceship and destroys other two ones that were approaching. From one of those emerges Prince Leo, who joins forces with Roy to defeat King Alom, who tries to brainwash Helena to make her his queen. Roy and Prince Leo disrupt the wedding and rescue Helena. The Princess confesses her love to Roy. The falcon men, Prince Trax's servants, kidnap Helena and take her to their planet. Roy, Prince Leo, the Princess and Faz go to rescue her with another ally, Prince Trix. The group is uncovered by Prince Trax, who sends Roy, Trix and Leo to forced labor at his nuclear furnaces. Faz is forced to work in Trax's experiments. King Alom comes for his daughter. With the help of Roy, Leo and Trix, Faz manages to cause an explosion at the furnaces and offers to save the colony in exchange for his freedom. To release them, King Alom demands Roy to defeat a cyclops. Roy kills it with the aid of the Princess, who at the same time helps a robot. Leo returns to his world. Back in Mars, Alom hinders Helena, Roy and Faz' departure with the excuse of throwing a celebration for them. The robot offers the Princess amnesia pills to give them to Roy, so he can forget Helena. Trix, Trax and Faz help him to regain his memory back. Shortly after, Alom orders the murder of Roy, but Faz makes him invisible. Roy takes advantage of his condition to attack Alom and his robots. Out of jealousy, the Princess makes a wild beast attack Helena, however is saved by Roy. Leo and his men assault the place. King Alom runs off. Roy declares his love to the Princess and both depart on a ship, but the robot alters the route of their trip to the infinite.