Learning that three instructors who were researching fractals have died under mysterious circumstances, fractal geometry professor Jane Smythe turns for help to former marine and private investigator Pepper Keane.

As a massive hurricane builds, criminals infiltrate a U.S. Mint facility. Their plan: to steal $600 million and escape using a category five hurricane as cover. But a treasury agent and a storm chaser have a plan of their own, desperately racing against time, and the hurricane, to save the hostages and stop the thieves before their town is reduced to rubble.