A box of old letters, a trip to Italy, the cocky quarterback who thinks he's God's gift, and the sassy violinist... This may just spell disaster...When I opened my door to Gage Montgomery that night, I didn't realize I'd be unleashing all sorts of trouble.Gage and I were enemies. Full stop.Complete opposites that repelled each other. That was the way it always was since we were kids. To me he was the devil.I'd lived next door to him all my...