A group of sexy space vixens flies down to Earth, sets up a shop at a carnival (disguising their ship as a ride), and kidnap some earthlings in their scheme to conquer our planet. The humans, including Marcos, a crooked boxer and our hero, Silvia, his love interest, and a gang of comical mobsters out to kill Marcos, are taken to the women’s home planet. There they are held prisoner by the evil queen Adastrea and aided by her selfless twin Alburnia. Meanwhile, a standard issue hunky scientist back on Earth, who happens to be Silvia’s boss, tries to rescue them.

Procedentes de un planeta habitado sólo por mujeres guerreras, aterriza en México una nave espacial con un grupo de sexys alienígenas. Su objetivo: capturar algunos especimenes humanos para hacer pruebas con ellos y hallar la manera de fabricar un filtro para sus sistemas respiratorios, y soportar el aire de la atmósfera terrestre, para preparar una invasión en toda regla.