Regan has Aniridia. Aniridia means that she does not have irises in her eyes and she sees the world differently than others. While on vacation with Mom and Dad in Seaside, Oregon, Regan is fascinated by the beautiful sand sculptures that mysteriously appear on the beach. Who is the person that the locals of Seaside call the Sandman? Why does he not want people to know who he is? Regan's days at Seaside are filled with fun and adventure while getting to know a new friend. But with each new sculpture that she finds, Regan becomes more curious and determined, to find out who the Sandman really is...