Following the death of his parents to an Ebola outbreak when he was a young child, Eli has dedicated his life to finding a cure for all viruses. Drafted onto the WHO Fast Response Team sent to lock down a possible outbreak in Mexico, he realizes that this is the big one they've been waiting for. Disease X: the unknown pathogen with the potential to destroy mankind. As the deaths mount and civilization breaks down, the team must race against the clock to connect the clues and uncover patient zero.