A second chance at life, a first chance a love.

She never expected, after years of waiting, to receive a heart transplant. Now, seventeen-year-old Sydney doesn’t know what to do with her life. So Sydney latches onto the one thing that gives her meaning: learning as much as she can about the person whose heart she inherited.

After some sleuthing, Sydney concludes her heart donor was a girl her age, Mia, who died tragically one town over. Sydney tells herself that attending a post-mortem birthday celebration for Mia will help her fully know who Mia was. And she’s sure that after the memorial, she will be able to move on with her life. But then she meets Clayton: a boy who makes her new heart race; a boy whose grief and outlook resonate with her, and a boy who, it turns out, was Mia’s best friend. Suddenly Sydney is more drawn to Mia than ever…