Enjoy the adventures of eleven year-old Portia, who together with her younger brother, Foster, spend a summer with their cousin, Julian, engaged in more than the usual summer pastimes of sun, fun and games! The three intrepid children soon discover a fascinating abandoned summer resort, consisting of deserted crumbling Victorian summer homes surrounding a vanished lake, which is now a swamp. But, best of all, they discover and befriend an elderly eccentric brother and sister who tell them the story of "Gone-Away Lake"!