Sparky is an adventurous young car trying to find his own road through life. Despite his father's attempts to instill the virtues of restraint and caution, Sparky repeatedly follows the deceitful Diesel into problematic situations.

Annie, a young schoolteacher struggling to solve the brutal murder of her father, unwittingly summons the "Candyman" to New Orleans, where she learns the secret of his power, and discovers the link that connects them.