Based on

Movies like Jokes (1990)

Vasily Kutuzov, the namesake of the famous commander, ends up in a mental hospital because of his talent for making up jokes. Everyone in his family had this gift, and many suffered because of it. The authorities didn't like that the Kutuzovs were bothering people. Vasily's neighbors in the ward are all famous people who left a mark in history. So he amuses them until the doctors decide to cure him of this "disease"...