It is based on the medieval Mamankam festival held every 12 years at the banks of river Bharathappuzha in Tirunavaya, Southern India.
Written by N. Govindankutty, the film stars Prem Nazir, Jayan, Jose Prakash and Alummoodan in the lead roles.
[1][2][3] It is Chanthunni's greatest wish to go to the Mamankam and fight for the sake of his King Valluvakonathiri against the Samoothiri.
And his childhood love Manka is the daughter of the Chief Minister of Samuthiri.
And Chanthunni has no intention of obeying his uncle to wait for another 12 years for the next Mamankam.