Shadowhunters (also known as Shadowhunters: The Mortal Instruments) is an American fantasy television series based on The Mortal Instruments by Cassandra Clare, and developed for television by Ed Decter. It is the second adaptation of the novel series, after the 2013 film The Mortal Instruments: City of Bones, which like Shadowhunters was produced by Constantin Film.
The show received a straight-to-series order on March 30, 2015, and premiered on January 12, 2016 on Freeform. In March 2016, it was announced that the series had been renewed for a second season of 20 episodes, which premiered on January 2, 2017.
Clary Fray has just enrolled at Brooklyn Academy of Arts. On her eighteenth birthday, she learns that she is a Shadowhunter, a human born with angelic blood who protect humans from demons. That night, Clary's mother, Jocelyn, is abducted by a group of rogue Shadowhunters called the Circle. Their leader is Jocelyn's ex-husband, Valentine Morgenstern.