In the context of indie horror, the "Dirty Cases" title typically refers to a where the player investigates unsettling, "dirty," or supernatural crimes.
Open the zip (carefully) and look for a README.txt or credits.txt file, which often contains the lore or the developer’s contact info.
These cases often involve grizzly crime scenes, moral dilemmas, or disturbing psychological twists.
To get the exact plot for the version you have, check the following:
You usually play as a private investigator or a disgraced detective tasked with solving cases that the police refuse to touch.
Do you remember or the specific genre (e.g., horror, puzzle, detective) of the game?