The story of Sethu, his wife Nirmala and her sister Seetha (Poornima Jayaram). Adapted from the popular malaylam magazine 'Vanitha'.
You can now watch Onnanu Nammal online on the following streaming providers in the United States.
| Directing | P G Viswambharan | Director |
| Writing | Kaloor Dennis | Writer |
| Writing | John Paul | Writer |