Jawai Bapunchya Goshti

This son-in-law is very charming and handsome. But that was not so about his wit. At times, he behaved as if he had no sense or common knowledge at all. Finally, after a long long wait, he gets married. He gets an invitation from his in-laws place especially for the celebration of Diwali. His father warned him before leaving that he had to behave properly at his in-laws house as he is no more just anybody. On the contrary, he is now their son-in-law. So he must show attitude while being at their place. What happens then?