His high school teacher issues an ultimatum: Turn in a science project or flunk. So Mike Harlan (John Stockwell) scavenges a military base's junk pile for a suitable gizmo. He finds one ... and unwittingly unleashes the awesome power and energy of the unknown. Twisted dimensions. Time warps. A fantastic realm where the past, present, and future collide in a whirling vortex of startling adventure and superlative special effects!