Gary goes AWOL, and Satan sends for his top bounty hunters in order to collect him.
Gary gets help from an unexpected friend when learning the subtleties of working someone's conscience.
After the devil book has been rewritten as a teen romance, the Demons go to Earth to promote it.
The demons locate a hole to the female side of Hell.
Tired of guarding the gate to Hell, Cerberus drags Gary out to Earth.