Seventeen-year-old Sarah lives with her family on the beautiful and mysterious island of Dreva. An island of wild landscapes and ancient sacred traditions. One day in spring she meets Ian, a boy of her own age who came with his family from the mainland, and the two of them become close to each other.

Accidentally, Sarah and Ian discover a bundle of letters from the distant past and their relationship deepens. The letters reveal a poignant love relationship of a hundred years ago, and the relationship between Sarah and Ian echoes this long ago love. Stormy events in their lives shake the delicate bond between them and threaten their love. The choices that each of them makes against the background of tension and distance between past and present, between the mainland and the island.