BioHazard 4 marks a terrifying new chapter in the world renowned BioHazard series. Players rejoin Leon S. Kennedy, six years after his first mission as a rookie cop from BioHazard 2. Now as a U.S. agent, Leon is on a top-secret mission to investigate the disappearance of the President s daughter and has made his way to a mysterious location in Europe. As Leon encounters unimaginable horrors, he mustfind out who or what is behind everything.