During a walk in the woods a man stumbles upon a gate blocked by a guard who refuses to let him through. Gaining entry quickly becomes his obsession and only goal, to the detriment of all else, including his own physical and mental health.

Isaac, a neurotic tree-hugger, builds a god-like supercomputer in order to save the natural world. But, when the machine comes to life and his existence begins to crumble, Isaac is forced to choose between destiny and the person he loves most.