克莱瑞（莉莉·柯林斯 Lily Collins 饰）打记事起就一直生活在布鲁克林和单亲妈妈乔瑟琳（琳娜·海蒂 Lena Headey 饰）一起过着简单平静的生活。然而，她却突然看到了一些不可思议的惊人怪事，而母亲也在一次暴力冲突后消失不见。就在她和最好的朋友赛蒙（罗伯特·席安 Robert Sheehan 饰）寻找她母亲的过程中，克莱瑞开始发现了隐藏在暗影猎手世界中的黑暗秘密和更加邪恶的危险力量。几个世纪以来，具有一半天使血统的暗影猎手一直在默默保护人类免受邪恶力量的侵害。被恶魔、巫师、吸血鬼、狼人和其他超自然生灵所包围的暗影世界迎来了克莱瑞的加入，她和年轻的暗影猎手杰斯（杰米·坎贝尔·鲍尔 Jamie Campbell Bower 饰）、伊莎贝拉（杰迈玛·韦斯特 Jemima West 饰）和艾雷克（凯文·席格斯 Kevin Zegers 饰）寻找到了关乎克莱瑞母亲未来的古老圣杯，并携手保护圣杯不被坏人抢走。年轻的克莱瑞发掘了自身具备的前所未知的超能力和勇气，并以实际行动证明自己是对抗危险敌人的强大的新生战斗力量……   Clary (Lily Collins Lily Collins decoration) playing notes have been living in Brooklyn and single mother Jocelyn (Lina, Heidi Lena Headey) lived a simple and quiet life. However, she suddenly saw some unbelievable amazing strange, and the mother in a violent conflict disappear. In her best friend Simon (Robert Sian Robert Sheehan ornaments) looking for her mother, Clary started found hidden in the world the shadow hunter's dark secret and dangerous forces more evil. Over the centuries, the shadow hunter with half of the angels has been quietly protecting human beings from the power of evil. Surrounded by demons, witches, vampires, werewolves and other supernatural beings in the shadow world ushered in the cleary join her and young Shadow Hunter Jess (Jamie Campbell bower Jamie Campbell bower ornaments), Isabella (Jemima West Jemima West decoration) and Elek (Kevin Zegers Kevin Zegers ornaments) to find related to cleary the future mother of the ancient holy grail, and work together to protect the Holy Grail is not the bad guys away. The young Clary discovered the unknown super ability and courage that he had, and proved himself to be a powerful new fighting force against the dangerous enemy......