Parinamam tackles the age-old issue of loneliness and redundancy among the aged. In parallel, Balakrishna Marar faces callous treatment from his family after his retirement.

Thampy, a smuggler and a womaniser, is unaware of the twins that he has fathered with Sarojama. However, things take a turn when the twins soon plot his downfall.

After one of their elite officers Chandran (Raghavan) is brutally murdered, the CID force sends in their most elite officer Nazir (Prem Nazir) to investigate. He is in the crosshairs…