The Backstreet Boys are in the midst of another of their concerts, and as they are on stage a spaceship crashes near the stadium. The boys run to help the alien, Zanell, who was on the ship, and discover the visitor was on the mission of protecting the Earth from an alien invasion that would soon happen The alien gives each one of the boys an enchanted amulet in the form of mystical crystals, and when the Backstreet Boys use them their DNA is changed through genetic and virtual cyclone which gives each of them an amazing power.... and the CYBER CRUSADERS were born!