A scientific experiment gone wrong caused the sudden change instant by a mosquito which in turn will be repeated thousands to create a new breed of giant mosquitoes and offensive virulent mutants who will become fatal to humans in the contaminant irreversibly to a point. Final result, giant mosquitoes and contaminated invade the city, total chaos. The government and the army deployed all their resources to find a solution. Non contaminated must at all costs cope to go to shelters set up by the government for them. En route, between eradicate the contaminated or risk his dangerous presence in the knowledge to protect him, Jeffrey and his companions will to choose to stay alive until the final victory.