After her best friend, Elowyn, is in a fatal car accident, Kassey finds out that Elowyn registered to be a donor while receiving her new driver's license. Her death brings new life to Arabeth, who has been on the heart-transplant list for years. As Kassey attempts to come to terms with her grief, Arabeth begins to realize that Elowyn may not be completely gone. She finds herself suddenly sharing the same intense passions as the deceased, right down...

Jonny and Neve, both fifteen, bond after her twin brother, in whose shadow she has been living, becomes Jonny's just-in-time heart donor.

Georgie Kendrick wakes up after a heart transplant, but the organ beating in her chest does not seem to be in tune with the rest of her body, and after she discovers her heart belonged to a girl her own age who fell out of the foster care system and into a rough life on the streets, Georgie is compelled to find the truth before she loses herself completely.

After finally receiving a heart transplant, seventeen-year-old Stella throws herself into her new life, but her recovery is marred with strange side effects and hallucinations, and when she meets Levi Zin, a mysterious new boy at her Seattle prep school, Stella soon realizes that she and Levi have more in common than she could ever imagine.