When a small mistake costs Eagan her life she leaves many things behind - including her heart, which now lives on in Amelia's body. From Eagan's vantage point in her own version of heaven, she relives vivid memories through her still-beating heart and is distressed by her troubled relationship with her mother. Unable to move on without resolving her past, Eagan is trapped . . . Despite her mixed emotions of joy and guilt about her new chance at life, Amelia feels lucky to be alive. But when she begins to take on strange new characteristics, Amelia wonders if her heart donor is trying to tell her something. Is it too late for Amelia to help the girl who saved her life?

Told in their separate voices, Eagan, who has died in a figure-skating accident, becomes a heart donor for Amelia, who then begins taking on some aspects of Eagan's personality.