Pencil is a 2016 Indian Tamil school-based mystery thriller film written and directed by debutant Mani Nagaraj and produced by S. P. Ragavesh. The film is based on South Korean film 4th Period Mystery released in 2009. The film stars G. V. Prakash Kumar and Sri Divya, with the former also composing the film’s music. The film was released on 13 May 2016.
Pencil Shiva (G. V. Prakash Kumar) is the best student at his school. His rival Nithin (Shariq Hassan), the son of a leading film star and a spoiled brat, takes any and every opportunity to knock him down both verbally and physically, and the two are known enemies amongst the other students.
One day, Nithin burns Shiva’s thesis, and when Shiva finds out, he assaults Nithin in front of the whole school until the school management intervenes. Later, Shiva returns to his class to fight Nithin once again, but this time he finds him dead, with his neck stabbed repeatedly with a sharp pencil. Shiva removes the bloody pencil from Nithin’s neck just as his classmate and love interest, Maya Srinivasan (Sri Divya) shows up, catching him in a most incriminating position. Fortunately for him, she not only believes his innocence, but also offers to help him to solve the mystery and catch the real killer – a task made particularly urgent by the fact that in 40 minutes, the rest of the class will return and the body will be discovered.
The suspects are many: the school driver with whom Nithin has a fight over an open wall behind the school; a local goon who enters the school through the open wall to meet his girlfriend, only to be driven out by Nithin; the chemistry teacher Sridhar (Thirumurugan), whose romantic relationship with his colleague Nandhini (Suja Varunee) ends after Nithin secretly records an intimate video of the two and blackmails Nandhini with that video to do what he says; and Nithin’s ex-girlfriend Indhulekha (Shamily Sukumar), whose 8-year-old friend Divya is accidentally killed by Nithin when she tries to break up with him and is constantly harassed and blackmailed by Nithin not to report to the school management or the police about the murder.
In the end, Maya and Shiva catch the real killer, who is also a staff at the school and father of Divya. It is also shown that Maya and Shiva are united.