What is it about: Ajay Devgan and Konkona Sen Sharma feel their upcoming flick "Atithi tum kab jaoge?" is a laugh riot that shows how young couples in Mumbai deal with an unannounced guest.

"I think people will relate to the film a lot because this basically reflects the lives of young couples today in Mumbai. There are people from all over the country coming here to make their lives," said Konkona.