Josh Pratt is an ex-con turned private investigator. A woman dying of cancer hires him to find the son she gave up as a baby. The child's father is a sadistic sociopath named Moon who has vowed to kill her for abandoning them.
The sole survivor of a senseless tragedy, the heir to a massive fortune devotes himself to a life protecting the innocent and punishing the guilty. From his base of operations at the Miami Aerodrome Research & Development Laboratories, he and his colorful associates brave any danger to bring justice to those in need. Hist name is Clifton Storm...the world will call him "Challenger".