Nancy Drew: Message in a Haunted Mansion

In this third game starring Nancy Drew, the famous teen detective has to solve a mystery in a Victorian mansion in San Francisco. The villa seems to be inhabited by ghosts... but this is not all. Somewhere in this strange house lies a treasure. That's why she's not the only one interested in this mansion. Could it be the antique dealer, the handy-man, the retired teacher, the owner of the estate or someone else? Everyone has something to hide and Nancy must find out who is behind the strange hap...