Darkness of the shadows, the

A telegram sends five people on a vacation they will never forget. After arriving at their destination, they decide that they will spend the night in a mysterious mansion during the raging thunderstorm. Little do they realize that a mysterious man is going to enter their lives. He tells them that a virus has overtaken the occupants of the town and things aren't as they appear. He tells them about a military base and a top-secret experiment that was conducted on the base, away from the prying eyes of the world. For the next four days, the small group will try their best to keep their friends alive. they will not only uncover the secret that surrounds the mansion, but they will uncover a plot that is so diabolical that it could see aliens destroy their world. Does the government know about the plot or are they behind it? Join the group as the clock is ticking and failure isn't an option.