Story:- Chitra (Genelia) is a lonely woman. She has suffered a lot mentally after losing all her family members. Chitra suffers from two phobias. She cannot stand loneliness and she cannot stay calm after seeing blood. Chitra joins as a teacher in Araku. Life is going smoothly after she makes friendship with a assistant director Krishna (Arun) and his film unit members. Life changes once again for Chitra when she sees a girl being murdered. She lodges a police complaint. The inspector, Prakash Raj and his assistant Shafi, promise to solve the murder mystery. As days pass by and there is no progress in the case Chitra starts putting pressure on the cops. A stranger starts visiting Chitra’s house at night and she is terrified. Chitra once again slowly starts losing her mental balance. Krisha is now quite close with Chitra and he tries to allay her fears by standing by her, day and night. While Krishna and his friends are trying to identify the mischief maker, one of them is killed and another guy almost battered to death. The people in Araku start terming Chira as a mad woman. Is she mad or is there something fishy going on? Who killed the girl and the friend of Krishna? Katha is a suspense thriller and as such it is not proper to reveal the ending. | 
