Drona movie is all about Pattazhi Madhavan Namboodiri (Mammootty) alias Drona. He looks like a Sanyasi wears saffron clothes, Rudrakshamala, jet black long hair and Vibhooti on his forehead. Kunjunni (Mammootty) who is an antheist, hates traditions, is tech savvya and is having an affair with an innocent village - belle Thulasimani. He cmes to buy the ghost house, but he gets killed.
Now comes elder brother Pattazhi Madhavan (Mammootty) who is highly religious and learned, but donot have a problem thrashing some well - buit hunks to pulp. He starts living at the mana to find out the reason for several deaths there, including that of hid father that happened several yeras back and of course, of Kujunni.