With his laboratory in ruins, brilliant scientist Dr. Hank Allens rises from a failed experiment; his nuclear reactor has suffered a fatal failure and will reach critical mass at any second. With the only escape route melted, his partner, Dr. Bruce MacLaine, has resigned himself to his imminent death, but Dr. Allens refuses to accept defeat. Driven by determination, he searches the lab for a way out, braving the ticking clock and the imminent explosion. As the pressure mounts and the lab groans, Dr. Allens races against time to defy his seemingly inevitable fate and make a daring attempt to survive a situation of his own making.