"She only remembers loving him. But he can't forget the way she left. Following a concussion, Lucy Lovett can't remember the last seven months of her life. She doesn't remember leaving her fiance Zac Callahan weeks before their wedding or moving to Portland, Maine. And she sure doesn't remember getting engaged to another man. All she remembers is loving Zac more than life itself. It's taken Zac months to move on after Lucy left him with no explanation....