After 28 weeks of the terrifying and deadly virus, the UK is now deserted. As the carrier is lost, the virus also dies out. With the landing of a transport plane from the United States, the British who left the UK before the outbreak of the virus returned to the land that had been ravaged by the virus for half a year. This can be said to be the last group of British people on the earth, and the burden of rebuilding their homes falls on this group of civilians. However, not long after the reconstruction work began, someone reported the discovery of survivors infected with the virus. Scientists also hope to extract serum from the survivors to develop a vaccine against the virus. However, what no one expected was that the virus did not die out as everyone imagined, but instead evolved to become more powerful. The last group of people on the British Isles will face an unprecedented crisis...