Monsters - 2010

NASA discovered the probability of alien life. A probe was started to get samples, but dropped up on reentry over Central America. Fresh life forms began to appear, Right after and 50% Mexico was quarantined within an infected zone. To day, the Mexican and American military struggle to contain"the critters," while the journalist agrees to escort a shaken tourist during the infected zone from Mexico towards the protection of the U.S. border.