In the distant future, a large portion of humanity lives on Mars, in cities that resemble those once found on Earth. The cities are protected from the inhospitable Martian atmosphere by dome-like force-fields. When a massive sandstorm breaks through the dome and destroys Mars New York, those in Mars Los Angeles must figure out how to stop the storm before it wipes them out next.

When Wendy Christensen has a vision of an accident on the roller coaster, resulting in her and her friends' deaths, she instantly begins to panic, causing more of her friends to be left of the ride. The remaining friends, including Wendy's boyfriend, are stuck on the roller coaster and find themselves involved in the accident. With death waiting around the corner, Wendy and Kevin Fischer must try and work out death's plan, before they and the remaining survivors end up dead.