From the introduction:
This adventure can be can be easily customized to a party of any size or level, or run as a level 4 adventure for 5 players. It can work as a small side adventure in an existing campaign, as a standalone one-shot, or the start of a new adventure. Use the links to the tools in their relevant section to customize the adventure to your party.
Gearmont is defended by magical constructs and wards, and is known for dark magic. The City is ruled by a mysterious cabal that doesn't show their faces. The races live together mostly in harmony.
The PCs learn from a courier that a local crime boss is selling information on a powerful artifact to the highest bidder. They can either outbid rival adventure parties (who may be willing to go as high as 1000 gold) or sneak into the bathhouse and spy on the meeting.