Viper of Tehran (Persian: çÃÂùàêÃÂñçÃÂ, <small>romanized:</small> Af'i-e TehrÃÂn) is a 2025 Iranian television series written by Payman Maadi, directed by Saman Moghaddam, and starring Maadi, alongside an ensemble supporting cast. The series premiered on Filmnet every Wednesday from March 6 to June 4, 2024.
The film revolves around a serial killer known for poisoning his victims, earning him the nickname "Viper." Interestingly, all of his victims have a history of child abuse. A critic named Arman Biyani decides to direct a film about this case as his debut project. To navigate his relationship with his son properly, Arman consults a psychologist.