Divorced and disillusioned about relationships, Theresa Osborne is jogging when she finds a bottle on the beach. Inside is a letter of love and longing to "Catherine," signed simply "Garrett." Pulled by emotions she doesn't fully understand, Theresa begins a search for this man that will change her life. What happens to her is unexpected, perhaps miraculous—an encounter that embraces all our hopes for finding someone special, for having a love that is timeless and everlasting...