On July 24, 1998 after Alpha team locates Bravo team#039;s helicopter, but there are no signs of survivors; only the corpse of Kevin Dooley, the pilot, is found. While searching the area for further clues, Alpha team is attacked by ferocious dogs, who kill one of the teammembers, Joseph Frost. Alpha#039;s helicopter pilot, Brad Vickers, panics and takes off alone. Pursued by the dogs who killed their colleague, Alpha team is forced to seek refuge within a nearby mansion. It is believed to be abandoned.