One day, a ship smuggled passengers from Southeast Asia. They finally came to South Korea after going through hardships, but they did not expect that almost all the stowaways died , when they dragged their tired bodies into the big cities of South Korea, they did not expect that they would also bring a very terrifying virus to the Korean people. These people were carrying the deadly flu virus, and the virus had spread to many people in just one day and caused a huge death rate, many people have been infected, a black death crisis hangs over the city, the female doctor is a lovely and kind single mother, when her younger brother was sent to the hospital because of the flu infection After treatment, she also realized the horror and danger of this virus, and immediately launched an investigation. The movie is based on the outbreak of the virus and people are facing a huge threat. It was officially released in the United States and South Korea on August 14, 2013. It mainly tells the story of a firefighter in a country who meets a female doctor. During the process, we got to know each other and worked together to find a solution to the virus. In the process of finding the host of the virus, a series of interesting story films also happened, which lasted 121 minutes