When former U.N. investigator Gerry Lane (Brad Pitt) and his family get stuck in urban gridlock, he senses that it's no ordinary traffic jam. His suspicions are confirmed when, suddenly, the city erupts into chaos. A lethal virus, spread through a single bite, is turning healthy people into something vicious, unthinking and feral. As the pandemic threatens to consume humanity, Gerry leads a worldwide search to find the source of the infection and, with luck, a way to halt its spread.Now him and his wife,karin,and their two daughters,Rachel and Connie,They are rescued by a helicopter sent by UN Deputy Secretary-General Thierry Umutoni, and they bring Tommy with them after his parents are infected. The group is brought to a US Navy vessel in the Atlantic Ocean, where scientists and military personnel are analyzing the outbreak.

This is the timeskip movie part where Gerry and Segen(Israeli soldier)survive the crash, though Gerry is trapped in his seat and has been injured. Segen appears and assists Gerry. They head to the Cardiff facility, where Gerry faints from his injuries before awaking three days later after receiving medical treatment from the WHO staff, who are initially very hostile. He explains his theory to the WHO scientists – that the zombies bypass terminally ill or injured people, as they are unsuitable hosts for infection. He suggests injecting healthy people with a curable pathogen as "camouflage" against the zombies. However, the scientists' pathogen samples are located in a zombie-infested portion of the WHO facility. Gerry, Segen, and the head doctor battle their way through the lab.

When they go to the lab to find the samples,they were almost dead and beaten by the Zombies but then you,a guy that wear a black bunny mask,saved them by slicing many of the zombies,in efficient way