Researcher Layla Burke is fired from her institute for allegedly leaking confidential pathology data on a new infectious disease, ruining her reputation and leaving her blacklisted in the industry. Despite her early promise and loving adoptive parents, disaster strikes as the disease spreads rapidly, leading to a deadly blizzard and the emergence of zombies from the newly dead. Layla's parents sacrifice themselves to help her escape the chaos, but she soon discovers she has been infected herself, setting up a dire personal struggle amid the apocalyptic collapse.