Carissa and her parents are off to spend what promises to be a boring summer at her grandfather's house. Her first night there, she finds a staircase to the attic, and embarks on an adventure that will change her summer forever. Yet the summer is not as idyllic as it seems, and there may be danger up the stairs. What in the world is going on, and will Carissa make the right decisions, before they are made for her? Her summer has never been more strange as she goes up and down the stairs.