Dana Svenssen, a brilliant, overworked Philadelphia lawyer, is on her way to a routine business meeting when her carefully ordered world detonates. The helicopter carrying her client collides with an airplane directly over the amusement park where Dana's two daughters are spending the day on a class trip. As fiery debris rains down on screaming families, Dana desperately races to the scene to find her children. Then, in the frantic aftermath, she discovers that the tragic accident isn't an accident. Yet determining the probable cause of the collision is arduous and nearly impossible. As Dana assembles a crack team of forensic aviation experts to reconstruct the disaster, her troubled marriage threatens to crash and burn as well - until a kidnapping suddenly throws Dana into the maelstrom of a deadly, all-consuming conspiracy.