Love. Murder. A deal with the devil.The charming Sebastian owns the bodies and souls of all his thieves and slaves. In his underground criminal cult, bodies, souls—and magic—are the only currency that matters.When Sebastian offers the adventurous Erynn his world, she accepts, not realizing that it will become her hell. More than anything, Sebastian wants her heart.Erynn's only way out: a plan so dangerous it may cost her life—and in the process, change the face of the world forever.A heroine willing to risk it all to follow her clockwork heart. A world where dark enchantment endangers every soul and, for the right price, anyone can live forever. To enter the magic, read HEART.