The moving story plays against the backdrop of a catatrophinc earthquake,which stricks when Tang Xingsheng,commander of a mororized brigade of the Chinese Liberation Army, is on maneuvers.Having lost contact with his superior officer,Tang leads his brigade into the earthquake striken area immediately and surmounts numerous difficulties,taking on earthquake rescue and recovery as his duty.Together with the main rescue troops,they spare no effect to rescue the faculty and students .They also aliminate the danger of a dam collapse at a barrier lake on Qi Dingshan Mountain and resolve a potential crisis at a chemical plant .