From the #1 New York Times bestselling author of It Starts with Us, It Ends with Us, and All Your Perfects. Sometimes two people have to fall apart to realize just how much they belong together.As Layken and Will's emotion-packed story continues, a stunning and unforeseen revelation about Will's past leaves them questioning everything that they thought they knew about each other. With the foundation of their relationship at risk, they must decide whether they are willing to fight for a future together, or to retreat back into solitude and heartache. How far does Will have to go to prove to Layken his love for her will last forever? It will require something truly extraordinary to keep this couple together, and the decisions they make and the answers they find will change not only their lives, but the lives of everyone around them.