Hallie has a secret. She's in love. He's perfect for her in every way, but he's seriously out of bounds. And her friends aren't going to help her because what they do know is that Hallie doesn't have long to live. Time is running out. Flo has a dilemma. She really likes Zander. But his scary sister won't be even faintly amused if she thinks Zander and Flo are becoming friends - let alone anything more. Tasha has a problem. Her new boyfriend is the adventurous type. And she's afraid one of his adventures will go badly wrong. This novel begins as Hallie goes on a journey. A donor has been found and she's about to be given new lungs. But whose?