You are an employee of the security service of a laboratory that works on secret developments. Due to an unknown error, the T-virus spread throughout the laboratory. Virus continues to work in the human body after death, and turns them into the ZOMBIES. To avoid the spreading of the virus, the Red Queen killed all the people who worked in the laboratory. Your task is to understand what happened there, to prevent the spread of the virus outside the laboratory, to find an antivirus, and most importantly - to get out of there ... alive