Vidiyum Varai Kaathiru  Vidiyum Varai Kaathiru () is a 1981 Tamil-language crime thriller film, written and directed by K. Bhagyaraj. The movie is thematically similar to the 1971 movie "A New Leaf". The movie received positive reviews during the release. Raja (Bhagyaraj) arrives at Ooty to get a job. He bumps into Rajasekhar, a wealthy businessman, and trespasses his property 3 times. One day, some goons kidnap Rajasekhar for a suitcase of money and Raja saves him by fighting them. Rajasekhar brings Raja to a diner and gives him a portion of the money in the suitcase. Raja refuses and requests for a job instead. Rajasekhar agrees and lets him stay in his house. In the night, Raja hears a woman screaming and is unnerved. The next morning, he begs Rajasekhar to let him leave. Rajasekhar introduces Raja to the screaming woman, his mentally ill daughter Sathya. He narrates a flashback about Sathya to Raja. Sathya and her sister Kala were talented artists. Sathya was a singer and Kala was a Bharatanatyam dancer. Kala is very sensitive and during dinner, both of them argue about who is superior. The next day, the sisters enter a challenge where Kala must dance to Sathya's singing. Kala makes a misstep and falls, losing the challenge. Unable to tolerate the loss, Kala jumps off a cliff and dies by suicide. Guilty and mentally tormented about her sister’s death, Sathya transforms into a mentally-ill patient. Hearing the story, Raja requests Rajasekhar for a job to take care of Sathya and cure her illness. Raja tries several hilarious methods to ‘cure’ Sathya's illness. Sathya still recovers slowly and is happier than before. But one night, Raja frames Sathya of trying to murder him by injuring himself. Rajasekhar brings Raja to a doctor, who is actually set up by Raja. The doctor nudges Rajasekhar to marry Sathya to a trustworthy groom, explaining sex is a method to cure her mental illness. Rajasekhar believes Raja is the best groom for Sathya and marries both of them.