From the Game Manual
You, as Nancy Drew, have just crossed the threshold to danger and intrigue into a fully interactive, three-dimensional mansion riddled with secrets, shadows and hidden passageways. Interview fellow guests, poke into dusty nooks, and uncover cryptic messages. Clues, dead-ends and trickery abound...but success is at hand with some daring and resourcefulness.
Your mission: to discover who...or what...is behind the mysterious accidents in a house full of secrets. One misstep and you won't stand a ghost of a chance!