Lissa Barton and Nate Lane have been best friends since practically infancy. They know each other like the back of their own hands, moving like a cohesive unit, always together, never apart. Lis has definite feelings for Nat, but it too afraid to say anything. Nat's loved Lissa since day one, but can't bring himself to find out if she feels the same. When a new guy threatens the bond between Nat and Lis, each of them will have decide-which is stronger, their friendship, or their love?