Direction: K Madhu
Production: Madhu

Nadiya Kollapetta Rathri unveils the mystery behind three murders that take place on a train. Action hero Suresh Gopi is once again becoming a part of K. Madhu films playing the lead role of an investigative Railway Protection Force officer.

The title character of this A.K Sajan story is an Indian international shooter Nadiya, who is murdered on a train which is on its inaugural run between Chennai and Mangalore. Nadhiya was planning to alight from flight to Kerala but as she missed it, she plans to make the travel in Sauparnika Express which was flagged of the same day by the central minister.

The famous dancer Thulasi many and television reporter Shreya Mariya were also traveling in the same train. Shreya was a reporter known for her sharp reporting styles and was at the same time a problem maker for all politicians. As the train entered madhukkara station near Kerala border, attender Sreenivasan was the first one who noticed that Nadhiya had been killed in the train. And within hours came the news about the death of Shreya Mariya and Thulasimani, one of their bodies found on a railway track. The murders created quite a commotion, as the people involved were all, some of the biggest celebrities. As the murders happened in the Coimbatore Railway division, the charges of investigation were on S.I.Mayilvaahanam Kathireshan. But as he has retired from service before the final investigations, nothing was made clear about the murders. As the railway realized the need of the setting of a new force for the protection of the celebrity passengers, they set up one in the name --RASK.

The force was headed by Sharafuddeen Taramasi IPS, an encounter specialist from the Railway Anti-Criminal Task Force, who was entrusted the case, two years after the actual incidents happened. The plot follows how he clears off the mystery behind the three murders which happened on the same train. Suresh Gopi is Sharafuddeen Thamaresy. Kavya Madhavan appears as Nadhiya while Suja Karthika is Thulasimani in the film.