"The road to redemption begins in darkness." A sinister force waits for them in darkness, ready to devour their powers and take their lives. Sam's baby is the key to a lock that must never be opened. To keep her child safe, Sam will do anything. Drake might have found a way to get his powers back and save his family, but at what cost? Luke and Lucy uncover secrets in an organization they thought they could trust, and the lives of all Rent-A-Kid children are at stake. In this final installment of the award-winning "Forbidden Trilogy," the secrets to Rent-A-Kid will finally be revealed.