Fool's Gold is a side case in The Sinking City.
This case is started by picking up the Send Gunners! document at the Oakmont Police Department, the document can be found on a desk in the holding cell room.
The combination for the police archive is property crimes, documentation and the shells.
The document provides the address of the first location: South Advent, on Purity Road between St. Michael's Road and Powderhouse Street
Simms Residence[]
Once inside, Reed will be confronted by several Wylebeasts, after dealing with them Reed can explore. Upstairs on a table Reed can find several documents including Conspiracies and a Pin. Each of these other documents direct Reed to the location of another item.
No Time to Waste[]
Some strongboxes in this place still haven't been cracked. What secrets could an honest citizen have?
North Oldgrove, Willow Lane between Bullock Street and Windhalf Avenue.
Once at the address noted above reed can explore the store. Upstairs Reed can find a note entitled Tommy, help on a long table. The treasure, a heavy ring, can be found on the end of one of the large counters, beneath an illusory vase.
Blood Sample[]
Took some "persuasion", but now I've got another lead! Gonna have to bleach my clothes, though.
Western Advent, Purity Road, south of Huracan Road and Vinland Avenue
Once at the address noted above, a ruined house in an infested area, Reed can find the treasure, a medallion, upstairs behind an illusory wall, on a metal desk.
The Orchard[]
All right, this is a spooky one. You know about the witches of the Mother Tree, right? Well, they're back. and they're using fishmen gold for their unholy rituals!
Western Shells, the orchard between Liberty Rd and St. Michael's Rd.
Once at the address noted above, at a large tree in an infested area. The treasure,a necklace, can be found beneath an illusory rock near the base of the tree.
Pile of Rubble[]
Just when I find out about another strange trinket, the house it was in collapses! Here's hoping it didn't get buried under the rubble.
Southern Coverside, Lincoln Street between Derry Land and Landing Avenue
once arriving at the address noted above, a ruined house, Reed can find the treasure, a ring, on a table, upstairs, behind an illusory wall.
NOTE: This is the same location as the House in Coverside in the Open House case.
Close to Water[]
Good fishing in the water round these parts, I hear. Pity I hate seafood. Those dain wylebeasts have ruined crab for me forever!
Central Grimhaven Bay, on Funtlock Street, south of Webster Street.
Once at the address noted above, an abandoned structure accessible through a hole in the wooden fence, Reed can find the treasure, a tiara, on a table next to a corpse strapped to some sort of table, behind an illusory wall, in the basement.
Urban Ruin[]
Another poor wreck. Can't tell what's worse, the smell, the critters, or the heights, Nothing you can't handle though!
Eastern Grimhaven Bay, east of the intersection of Deepshore Road, Derry Land and Wharf Street.
Once at the address noted above, an abandoned structure accessible through a hole in the wooden fence, Reed can find the treasure, a vessel, on a stack of mattresses, behind an illusory wall in the basement.
Jackpot[]
Hit a gold mine - literally. Another mark a few minutes' walk away! Or not. Depends on where you are really. Please read this note while next to Holy Fire Lane, between Ambrose Street and Freedom Avenue, in The Shells east. You will be pleasantly surprised.
Once at the address noted above, a ruined building in an infested area, Reed can find the treasure, a Wreath, on a table next to a map, behind an illusory wall, upstairs.