ABC Family offers a glimpse into the world of "Shadowhunters" in this first trailer for the adaptation of Cassandra Clare’s bestselling “Mortal Instruments” novels.

The series follows 18-year-old Clary Fray, whose life is derailed when her mother is kidnapped and she discovers she descends from a long line of Shadowhunters, human-angel hybrids who hunts demons. Clary is thrown into a hidden shadow world filled with faeries, warlocks, vampires and werewolves, where she pursues demons with the mysterious Shadowhunter Jace and her best friend Simon.

Debuting in January on ABC Family (which by then will be renamed Freeform), "Shadowhunters" stars Katharine McNamara as Clary Fray, Dominic Sherwood as Jace, Alberto Rosende as Simon Lewis, Emeraude Toubia as Isabelle Lightwood, Isaiah Mustafa as Luke Garroway, Matthew Daddario as Alec, Alan Van Sprang as Valentine and Jon Cor as Hodge Starkweather.