After thirty years on the job as a demon hunter, Gary is looking forward to retirement. But when his boss reveals they still haven't found a new chosen one, Gary tries to take matters into his own hands.
When Gary finds out that a demon named Fleshler might still be alive - despite Gary killing him years ago - he recounts to Hanley the story behind the death of his true love, Janine.
Gary forms a bond with a tiger after it saves him from a demon but when the tiger starts exhibiting demonic behavior, Gary is faced with a difficult choice.
A case concerning a possessed teen leads Gary and Hanley to suspect that a heavy metal band's music is to blame - only to discover that the rockers are not what they seem.
Gary tries helping his brother with his marriage problems. However, his brother becomes so nice to him now that he's single and free to party like it's 1990 that Gary selfishly tries to keep his loving wife away from him.
Gary has to stay close to a hentai tentacle demon, a huge star in the adult film industry and, surprisingly, an all-round nice guy stalked by someone who wants him dead. They bond in a way Gary never could have imagined.
Gary's birthday wish comes true when he finally finds a worthy replacement in the form of a young starry-eyed janitor and opts for an early retirement. However, he must first convince the agency that the kid is the real deal.
Gary has been replaced by talented new blood, but when Gary hears that his demonic archnemesis who killed his fiancee has resurfaced, he decides to go back to work anyway - with tragic results.
