2019 - NOW In a world where Blood Dragons, beasts of unknown origin, roam free. In a time where the future is not what it used to be, there's a man. No, wait.. There's a boy.. and a girl.. Yes, a boy and a girl. They are Roxanne and Slayter, the offspring of the legendary Rex Power Colt. They‘re as tough as their father, as smart as their mother and the best there ever was at being the best. 12 years on from Vietnam War 2, they're going to Vietnam War 4 to save the day, save freedom, and save the world.