There is a place where evil resides. It is the place where mankind's nightmares live...and breed. It is the Underside. From this realm of shadow was born Jonas Beck of the Werewolf Pack. Five centuries ago he forsook his dark nature and has since roamed our world protecting the prey of the Underside...us. From New Orleans comes a young woman of unique strength and spirit. Mercedes "Caul" Guillaune was gifted with psychic abilities and from childhood has sought to help those in need. When their paths meld, the two embark on an adventure of witches and warlocks, goblins and ghosts, vampires and viperen, plus all the creatures from the darkest realms. From their first meeting on the track of a supernatural serial killer, Beck and Caul stand against evil - both on earth and in the Underside, encountering monsters both human and inhuman. Collects the entire Beck and Caul Investigations comic series issues #1-6, Annual Edition #1, and the back-up story that appeared in The Underside #1.