Laura receives a phone call, with the horrific news that her father has embarked on a killing spree in a Los Angeles area hospital. After arriving at the hospital, the police ask her to go in and find out what happened. Upon entering the building, Laura is sucked into another dimension where the hospital is actually a mansion. Help Laura navigate through three discs of 3D environments, using guns and swords to dispatch evil. Will Laura be able to find out why her father went berserk? Discover the truth in D.