On January 18th, 1977, a crowded commuter train heading for Sydney, came off the track and struck the pillars of an overhead road bridge, crushing part of the train and killing 83 passengers and injuring more than 200 others. This story follows the coronial inquiry into the crash with flash-backs to the main story, and the efforts of the rescuers to free the injured victims.

Dr. Samantha Hill is an earthquake research scientist at a noted university in Washington State. Her alternative theories and her take-charge attitude cause friction with her peers. When the controversial Dr. Hill is ultimately put in charge, she is effectively entrusted with saving the entire population of the West Coast from a series of earthquakes that threaten to permanently fracture the West Coast from the rest of North America.

　　故事讲述护理人员Jenny在一次致命的火车相撞事故后，为了应对自己的创伤后应激综合征，她开始赌博。Jenny因此欠下了巨额债务，而大好人Sasha向Jenny伸出了援手。但实际上，Sasha有着自己的目的，这将迫使Jenny为了自己的性命安全，进行人生中最大的一场赌博。