Kendra's first novel was a huge success, but now she's on a deadline and cannot write a thing. Her attention is consumed with a letter from an anonymous reader, who seems to know exactly how much Kendra's novel was based on past summers in Hidden Lake, MN. Cami Rainier was adopted from Korea by a famous novelist, and she and Kendra spent many magical summers imagining on the lake, until Cami's parents adopted a teenager named Tyler with a troubled past. Tyler's actions soon change the course of both girls' futures and their friendship. Now Cami is missing, and Kendra returns to the lake to see if a clue lodged in her memories can unlock the past-- and maybe her own future.