Raising Dion follows the story of a woman named Nicole Reese, who raises her son Dion after the death of her husband Mark. The normal dramas of raising a son as a single mom are amplified when Dion starts to manifest several magical, superhero-like abilities. Nicole must now keep her son's gifts secret with the help of Mark's best friend Pat, and protect Dion from antagonists out to exploit him while figuring out the origin of his abilities.
A novice sleuth (Roday) is hired by the police after he cons them into thinking he has psychic powers that help solve crimes. With this assistance of his reluctant best friend (Hill) the duo take on a series of complicated cases.