During their families' summer vacations, Carolyn Kendal and Stephan Foster were inseparable—running in the hot sand, chasing shadows and building a friendship that would last a lifetime.

As teenagers…

Their friendship turned serious. Carolyn and Stephan found themselves exploring the intensity of first love—even if it was only for the summer.

And as adults…

Carolyn's daughter lies in a hospital bed fighting for her life. Suddenly Stephan is there beside her, offering support, strength—and enough love to last a lifetime of summers. Because when they're together, shadows don't stand a chance…do they?