Maggie always dreamed of living life to the full. Travelling the world and having adventures. But then she fell ill and needed a heart transplant and now her life is lived on the sidelines. This heart is a gift, and she needs to be cautious and safe to protect it. But her new heart has other plans. It wants to beat harder and faster – running in the fresh air, dancing the night away and falling in love. And soon, in the most magical and impossible way, Maggie is going to learn she has to follow her new heart and fall in love with her life – whether she's ready to or not.