Wren Connolly is a special girl. He was reborn five years ago. Literally. One hundred and seventy-eight minutes passed before he returned to the living. He became stronger, faster, and able to heal himself - but something still changed... It seems that he is not the only one who has defeated death. He was trained as a warrior, making him one of the most dangerous of the reanimated. One day he is entrusted with the training of a new recruit, Callum Huszonkettes. The boy's reflexes are too slow, he asks questions all the time and makes Wren crazy with his constant good humor. But as they spend more and more time together, long-forgotten feelings awaken in her, and Callum's closeness completely captivates her. Everything is slowly starting to change. And as Wren learns about love, she realizes that the life she's been living is a lie.
One day, when Callum refuses to carry out an order, Wren gets one last chance to get him to obey. If he doesn't succeed, not only will the boy be in danger, but he will also be destroyed. She must risk everything to save Callum. This begins the fight for life and freedom.