Following the events of the last book Seraphina and Zen have been separated once again. After undergoing a new memory alteration procedure, Sera is now living with the enemy in the Diotech compound, passionately in love with the only other person in the world created by scientists and genetically programmed to be her soulmate.

But when the new couple embarks on a tour to show off Diotech's scientific achievements, Sera's mind starts to rebel and despite all her best efforts she can't stop the memories of Zen from creeping back in. Soon Sera's past comes rushing back, forcing her to question everything she thinks she knows.

Will Sera remember why she was in love with Zen in the first place and rebel against the evil corporation who created her, or will the lovers remain enemies forever?

This book features in the following series: Jessica Brody Trilogy, The Unremembered .

This book has been graded for interest at 12+ years.

There are 433 pages in this book. This book was published 2015 by Pan Macmillan .

Jessica Brody is the author of several popular books for teens, including A Week of Mondays and the Unremembered trilogy . She splits her time between California and Colorado.