Midnight Dogs) is a 2011 Tamil-language experimental psychological thriller film written and directed by Gautham Vasudev Menon and produced by Photon Kathaas Productions and R. S. Infotainment.

The film stars Veera, Sameera Reddy, and Deva, with Swapna Abraham and Ashwin (in his debut) in other pivotal roles.

Samar is sexually abused by his father and is rescued by his neighbor, a middle aged single woman Meenakshi Amma (Swapna Abraham).

He invites her home and they grow intimate, interrupted by a loud scream from Priya because Meenakshi Amma stabs her brutally.

As the murders continue, Veera stumbles upon Sukanya (Sameera Reddy), a girl he fell in love with in 10th grade at a theatre with her boyfriend Arjun (Ashwin).

A bystander who had sensed something fishy with Veera's car follows him to his bungalow and informs the Assistant Commissioner Vijay (Deva).

Veera takes Sukanya to his bungalow and informs Meenakshi Amma that he loves this girl truly and is going to live the rest of his life with her.

Finally, he is taken to a mental asylum, where another patient (Samantha) is also shown as a psychopath, victimized due to child sexual abuse.

Further he stated that the film "is definitely not for the family audiences", while criticising that "there are too many loopholes in the story, raising doubts about logic".

[9] Times of India in its review wrote that "in his earlier movies [...] Gautham Menon had pushed the envelope when it came to presentation and themes, but in Nadunisi Naaygal he takes it a bit too far.

Protests were staged in front of Menon's residence, who clarified that the scene is shown in an aesthetic manner and it is a sensitive story about a psychopath.

Further praise was addressed to the director who "should also be applauded for not bowing down to any cinematic syntax", congratulating him "for the brave attempt to drive home a socially relevant point in a dignified manner".