Ball Pen movie story is revolves on a little children who are inmates of Mother Teresa orphanage. The main story based on a letter that Keshva one of the boys, reads while he is delivering newspapers at the government offices.
Srinivasaiah (Suchendra Prasad) runs an orphanage and he has the heart of gold. The movie revolves around three orphans Keshva, Kempa and Bala. Keshva is fond of reading newspaper and his day never begins without reading a newspaper.
In order to read all the newspapers, Keshva joins a newspaper selling agency as a delivery boy along with his buddies Kempa and Bala. They have to deliver newspapers to government offices. When he enters Home Minister's office, he comes across grievance letters sent by ordinary people. He curiously reads some of the letters and understands that those were unattended letters.
When he reads a shocking letter sent by an ordinary men from North Karnataka, he along with his two friends decides to visit the place. What was the content in the letter? What was happening in Koppala? Answers to these and all other questions will form the crux of the story.