A series of powerful earthquakes strikes the West coast of North America, leaving scientists baffled. Dr. Jordan Fisher's team, featuring his unconventional assistant Samantha Hill, discovers a concealed tectonic fault causing the quakes and warns that it could lead to California's catastrophic plunge into the Pacific. To avert the disaster, they propose underground nuclear blasts, but the outcomes are inconclusive, introducing a new problem. Amidst the chaos, authorities and individuals must navigate devastating landslides and a massive refugee crisis.
