Rollback

Thirty-eight years ago, Dr. Sarah Halifax decoded the first-ever radio transmission received from aliens. Now, a second message has been received, but now in her eighties, Sarah may not live long enough to decipher the new message. Then, a wealthy industrialist offers to pay for Sarah to have a rollback - an expensive experimental rejuvenation procedure. Sarah agress, as long as her husband of sixty years, Don, gets a rollback as well. The process works for Don, giving him the physical capabilities of a twenty-five-year-old, but Sarah remains in her eighties, and as Don and Sarah struggle to adjust to their changed lives, Sarah begins what might be the most important task of her life.