Gedo Nahnooh (2018)

A group of young men whose grandfather dies, and upon distributing the inheritance, they discover that their grandfather did not leave money for them, while he left a will asking them to search for a buried treasure, and to search for the location of the treasure it becomes clear that it is inside the madhouse. They plan to enter the Hospital of the Crazies in pursuit of this treasure, and there they have a lot of comedic ironies.

Unfortunately the movie Gedo Nahnooh is not yet available on HBO Max.