Reboots are those who has been killed by a disease but resurrected and Wren 178(number of minutes spent dead) is one of them. She is the strongest, fastest but less emotional girl in HARC(Human Advancement and Repopulation Corporation). HARC is like a prison for Reboots but they are well fed, trained and taken care of and are used by the government to do the dirty work. As a new trainee comes in, Wren gets Callum 22. He has the slowest reflexes, he questions everything and can't run, fight or have the nerves to kill and he is the most hopeless trainee. But when she is ordered to eliminate Callum, she does not kill him but instead protect him by leaving HARC. The protagonist at the start is dead like but as the book develops she starts to become aware of herself, like a human being all because of Callum. This dystopian fiction creates suspense and make readers keep flipping pages till the end. The unexpected plot twist will question readers on what will be next and many intense scenes will make readers shiver. This book will hook thrilling teenagers who love science-fiction, action and unpredictability.