"Dallas Sacrifice. I'm familiar with it. I've had to leave behind everyone I cared about-my sister, my best friend, my band, and my high school sweetheart-in order to chase my dream of making it in Nashville. But when Robyn Breeland walks back into my life, it's as if the universe has decided to give me a second chance. I'm just not sure it's one I'm willing to take. Robyn Heartbreak. I practically majored in it. Dallas Lark was the first boy I ever...