When purple lightning tears the sky, Rongcheng falls into a mutation crisis caused by a prehistoric virus. Courier Zhou Long encountered a zombie outbreak while delivering packages and escaped death with a mysterious package; pet beautician Li Binbin was trapped in a shopping mall and used a pet nail file to kill the blood. The two met on the way to escape and discovered that the mysterious potion they carried was the only antidote. They must break through the layers of blockade and deliver the medicine to the institute within 72 hours. On the way, they must not only deal with the zombie army, but also beware of the crazy snatching by human survivors...
