Art therapy hasn't done squat for Gabe Jones. A thousand sketches of his fiancee can't bring his memory, or her, back to him. Nothing on Earth can. His past lies in another dimension, a world just out of sight. Another student on campus, Lea Huckley, unknowingly shares Gabe's obsession with the fourth dimension. The monsters from the other side attacked her parents and fled, getting her folks locked up in the loony bin. Proving this other world exists is the only way to free them. Lea and Gabe strike a deal to help each other, and together they manage to open a door to the world of Gabe's...