- This category is for the original rendition of the district. For The Conspiracy rendition, see Category:Airport (The Conspiracy).
It requires investigation of a crime scene from the past in each case, with its events dated from 1642-1649. The district focuses on digging deep into the gloomy mysteries of Grimsborough that need to be unearthed before a notorious secret society takes over the city.
The following is a list of all the cases situated in this district.