Four cousins, Seyfettin, Şinasi, Habibe, and Rüknettin, who have been estranged from each other for years for some reason, reunite years later at the request of their dying grandfather. However, their real intention is to find the treasure that their grandfather has been talking about for years. Their dying grandfather gives them a map showing the location of the treasure. After their grandfather passes away, the cousins decide to divide the map into four parts and proceed together. Unfortunately, they discover that the treasure is located inside a prison near the town.