Krishna, Nandha, Bala, Guru, Krithika Rao alias KK, and Gowri become friends in college. Shiney George joins their circle of friends, and soon, Shiney and Krishna fall in love. Gowri has been in love with Guru since they met. However, Guru refuses her advances, saying that they should not break their friendship. He and Krishna later fail a few exams. Afterward, Shiney slaps Krishna, and Guru fights with her. The group splits between boys and girls. They reunite after the interrogation of the lecturers. The group helps Guru and Krishna clear their debts and get jobs. Shiney's father also accepts his daughter's love. Krishna and Shiney reveal their love to their friends. However, that night, Bala commits suicide.

In the hospital, Gowri says that Bala died for Shiney because he was in love with her. Bala had admired Shiney from their first meeting and loved her when she supported him at the time of ragging. He told Gowri about these feelings that morning and decided to tell his friends before telling Shiney. The plan went awry when Shiney slapped Krishna and the friendship broke up. Guru became angry and rushed to the college.

In the college, Shiney and Krishna say that they will not marry because they feel guilty about Bala's death. Krithika says that it is only possible that they die together. Nandha tells her that they never would have been complete without their friend, whom they have lost forever. He also adds that if they all knew about anyone's love earlier, then they would not have lost Bala, meaning that they were not loyal to themselves or their friendship. After this, everybody cries and leaves the scene one by one.