Vinod/Vinu (played by Mohanlal) is mentally ill and is hospitalized in the institution run by Dr. Ravindran ( M G Soman). Story progresses as Vinod recovers with the help of Dr. Savithri, Dr. Ravindran's daughter (Karthika) and Dr. Unnikrishnan (Nedumudi Venu) who finds that Vinu fell ill after the accidental death of his fiancée Anitha (Lizy). Later Vinu and Savithri fall in love but Savithri is already engaged to be married to her cousin, Hari(Mukesh). Plot progresses as Dr. Ravindran opposes the romance between the doctor and the recovered patient.
You can now watch Thalavattam online on the following streaming providers in the United States.
| Directing | Priyadarshan | Director |
| Writing | Priyadarshan | Writer |
| Writing | Nedumudi Venu | Story |
| Writing | Bo Goldman | Original Story |
| Writing | Lawrence Hauben | Original Story |
| Production | G.P. Vijayakumar | Producer |
| Crew | S. Kumar | Cinematography |
| Editing | N. Gopalakrishnan | Editor |