After dying at age sixteen, Travis Coates' head was removed and frozen for five years before being attached to another body, and now the old Travis and the new must find a way to coexist while figuring out changes in his relationships.

Abby DiMatteo, immersed in her second year as a surgical resident at Boston's Bayside Hospital, is elated when the hospital's elite cardiac transplant team taps her as a potential recruit. But soon she must make a critical decision that jeopardizes her entire career. A car crash victim's healthy heart is ready to be harvested and is conveniently cross-matched to a wealthy patient, forty-six-year-old Nina Voss. Abby and chief resident Vivian Chao hatch...

After a liver transplant, Andre suddenly becomes a time traveler, but is his soulmate Michael, who lives in 1969, or Blake, his donor's brother, who is training him in 2021? Weeks ago, Andre Cobb received a much-needed liver transplant. He passes out and wakes up somewhere totally unexpected... in 1969, where (when?) he connects with Michael. Just as suddenly, he slips back to present-day Boston, where the family of his donor is waiting to explain...