Jack Redman, rancher, businessman and part-time inventor stumbles on an amazing invention that allows him to manipulate the forces of gravity. Jack soon realizes that his invention could have some serious consequences if it fell into the wrong hands and decides to develop the technology in secret. Unfortunately Jack's teenage son Robert discovers his father's research and does some experimenting of his own. After Robert injures himself in an experimental craft, Jack decides to keep his son close by putting him under the wing of one of his top scientist, Dan Sarnoski. Robert stays busy under Dan's supervision, yet Robert still manages to find himself in situations that could potentially expose Jack's discovery. Graviton explores the awesome power that lies in the discovery of new technologies as well as possible hazards that could be involved with attempting to control the forces of nature.