Human indifference mean single real estate sales executives should kai (Liu decoration) with a customer reading a set of real estate under construction, found himself another cell phone forgotten in the showroom, she retued alone to find, just enter the elevator, suddenly heard a loud noise front, the building collapsed, elevator crashed ...... wake up from a coma to be a good find yourself trapped in the rubble 30 meters of damaged elevators could not move, only around a broken work phone, a lighter and portable bag. It should be good to scramble a good phone, but only by the replay button to try to call for help! In help in the process, she accidentally discovered hidden behind a building collapse incident sinister conspiracy, but more afraid that lurks in the dark ruins because of environmental pollution and variation dissimilar beasts ......
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