Normally the only thing you'll get if you have a family of 100 by the time you're 100, is a lifetime achievement award. Rajayya (K B Tilak) is luckier - his several sons and grandsons and the extended family all stay with him because they love him. Now in reality the only way of being happy in a joint family of 100 members is having lived in a joint family of 200 before that. But since this is a movie, they all party on weekends, hug each others' children, joke around a lot, and many times even remember each others' names.
Rajayya however has one unsatisfied wish - his granddaughter....