The music is composed by Govind Vasantha[2] with cinematography by Pratheep Kaliraja and editing by Manigandan Sivakumar.

[3] The film is about a writer at a police station who gets trapped in an illegal custody case involving an innocent Ph.D. student.

Thangaraj is shown to be a bigamist, and it is later revealed that he was forced into a second marriage with a much younger girl, to bear an offspring.

On his first day, Thangaraj is assigned to watch over PhD student Devakumar, held in illegal custody in a marriage hall nearby.

The police inspector Perumal and another head constable Manickam force Deva to sign some documents.

Deva is constantly shifted to various lodges, and Deputy Commissioner Trivedi Sharma is also shown to be involved in the case.

Deva belongs to a backward community, living with his elder brother Xavier, sister-in-law, and their son in Thirukkattupalli town, near Trichy.

In a flashback, it is revealed that Sharma had rejected three applications for the joining the horse riding team of Tamil Nadu Police force, one of which belongs to Saranya.

After reading the letter, Arivazhagan is shown to continue fighting the police union case, heeding Thangaraj's request.

"[8] Logesh Balachandran of The Times of India gave a rating of 3 out on 5 and wrote, "Writer definitely has honest intentions and is watchable for the subject it has dealt with.

"[10] Sify rated the film with 3/5 stars, stating that "Writer sends a much-needed message to the Government and the superior officers in the Police Force.

"[5] Haricharan Pudipeddi of Hindustan Times stated that, "Writer is the kind of film that goes beyond the meaning of entertainment, and it leaves you enlightened.

"[11] Srinivasa Ramanujam of The Hindu wrote, "With the drama-thriller, debutant director Franklin Jacob joins the long list of exciting Tamil filmmakers to watch out for.

"[12] Bharathy Singaravel of The News Minute stated that, "Releasing in mainstream venues, in the same theatres that run big budget cop films to full houses, this film helps spread a political language tuned to the systemic failures in this country.