Kadhalithal Podhuma is a 1967 Indian Tamil-language Triangle - Romance and Suspense film, directed by K. V. Srinivas and produced and supervised by R. Sundaram under Modern Theatres. The film script was written by M. K. Devarajan and A. L. Narayanan wrote part of comedy script. Music was by Vedha. It stars Jaishankar, Vanisri, R. S. Manohar Venniradai Nirmala playing lead, with Thengai Srinivasan, V. S. Raghavan Rukmani and Kumar Radha playing pivotal roles.

Plot

Ravi is separated from his father (V. S. Raghavan), when he is barely three years old. He is reared by kind widow (Kumari Rukmini). Ravi (Jaishankar) grows into a fine young man. He falls in love with Geetha (Venniradai Nirmala), who reciprocates his love. They engaged and are to be married soon. Mohana (Vanisri) a friend of Ravi's is in love with him too. She tries to win him over, but Ravi does not harbor any feelings other than friendship for her. Realizing that her attempts are failed, Mohana is about to give up, but she sees a rays of hope, when she meets Thangaraj (R. S. Manohar). Thangaraj is in love with Geetha and therefore he teams up with Mohana and hatches a plan to break the bond between Ravi and Geetha. The plot thickens when Mohana appears on the day of Ravi's wedding and announces that she is already married to him. Ravi denies that, but no one including his mother, believes him. Shattered by this development, Ravi moves in with his friend Mani (Thengai Srinivasan) meanwhile, Mohana makes herself comfortable at Ravi's home. Ravi's mother develops a soft corner for her and reveals to her a secret about Ravi's past. She also says to her that this will help Ravi unite with his parents. Thangaraj learns of this and tries to use this secret to his advantage. Ravi, on the other hand, is trying to prove to Geetha that Mohana's story is false. Do Thangaraj and Mohana succeed in their wicked plans and separate Ravi and Geetha? Does Geetha realise Mohana's true colours and unite with Ravi again?