Wartime
When Pierce Folkner finally decided to tear down that strange section of a wall he had always wanted to fix, he could never have expected to suddenly be peering into a secret room. He tore enough of the wall down to enter it safely, only to discover that this sealed-off part of the house was stocked with a deadly assortment of guns, knives, and ammunition. He had to find out who this arsenal belonged to and got to work tracking down its original owner.
Vaulted Enigmas
As you know well by now, renovations will often uncover all kinds of strange things and items, some of them harmless, others spookily lethal when in the wrong hands. As for our next home improver, they were just trying to build the kitchen of their dreams when they found that behind the ancient, rusty fridge was a panel in the wall which when opened revealed a mound of gold bars! You might not think that an old kitchen will contain anything but moldy cheese.