The infection in July 2006 on the fictional island of Banoi, a lush, tropical resort destination located off the east coast of Papua New Guinea, just north of Australia. In recent years Banoi was able to modernize thanks to its tourism industry, but many areas of the island are still wild, primitive and untouched by the modern world. Even though its capital Moresby was founded by Australian settlers in 1895, many of the island's interior areas deep in the jungle have still never been seen by western eyes.
2 years later, the whole world turned into that of a tropical island, where the dead roam and survivors scavenge from food. However certain people are immune to viruses and the mutations.