How do you go back to a life you can't remember? Find out in this final installment in the New York Times bestselling Program series from Suzanne Young.

Every cure has a cost.

Tatum Masterson learned this after years of being monitored by The Program. She witnessed it when her boyfriend, Wes, came back changed, erased. And now, even the newest cure has a heavy cost-one she and Wes paid.

The Adjustment came into Tatum's life just when she thought she needed it most, a promise for Wes to get back his forgotten memories. But when the procedure went wrong, a revelation shattered everything Tatum thought she knew.

Now, with no one left to trust, Tatum must find out what really happened last summer. And with the help of the boyfriend she lost, Tatum will have to dig into the past and future of The Program and its handlers.

And discover the true cost of a cure.