Seismologist Charlie Richter, grandson of the inventor of the Richter scale, knows earthquakes, and has a method for predicting them. Arriving in Los Angeles to begin work at the Center for Earthquake Studies, a mysterious agency that seems more Hollywood than science, Charlie settles into his new life. His only distraction from work is Grace, an assistant to a powerful producer, and her deadbeat scriptwriter boyfriend Ian. It's only a matter of time...