After tragically losing her twin brother, seventeen-year-old Astrid Glass and her mother move to Paris to live with her great-grandparents. Exploring one of the most romantic places in the world, getting noticed by boys and making new friends only temporarily divert her from her anguish and fail to mend her shattered life. Everything changes when Astrid meets Étienne Durand, a gorgeous, mysterious French street fighter. He peers straight into her soul and wields a magic so intense that he distracts her from unbearable grief and helps her take the first steps in her healing journey. As she is drawn deeper and deeper into his world of dark secrets and enchantment, she unwittingly exposes herself to danger. Soon, she discovers that only she can break the curse that binds him. With peril lurking around every corner and time running out, who can Astrid trust, and will she be able to save the man she's beginning to fall for?