Tessa Gray's joy at her wedding is shortlived as evil automatons abduct her. She is a vital ingredient in the Clockwork Prince's plan to destroy the Shadowhunters. Jem and Will are ready to do anything to save her, but Will struggles with his own feelings for her even though she is engaged to Jem. In a race against time, Will must risk everything to save both his closest friend and the girl he loves. And Tessa must come to terms with her own abilities for once she does, she might become more powerful than she ever imagined. The first book in The Infernal Devices is Clockwork Angel and the second book is Clockwork Prince.