The film follows AG Ravanan "AGR", a crime boss, who gets tracked down by Guna, an undercover cop as Sakthivel.

The film has music composed by A. R. Rahman, cinematography handled by Farook J. Basha and editing by Praveen K. L. Pathu Thala was released on 30 March 2023.

The CBI investigates Ameer, the henchman of a dreaded crime boss AG Raavanan alias AGR, who is known to be Naanjilar's sworn enemy.

Guna encounters his ex-girlfriend Leela Thompson, a Tahsildar who makes an effort to thwart AGR's illegal sand mining operation.

He later ends up earning the trust of AGR's right-hand man Singha after he retrieves ₹400 crores from a goods train under the noses of a CVC team.

During the campaigning for the by-election, Selvin sees Leela and Guna having a conversation and suspects that he might be the mole in AGR’s gang.

Meanwhile, the people residing in Nesakaram learn that AGR has been the sponsor of their nursing home, and has been conducting charitable activities funded by the profits of his illegal sand mining.

AGR later reveals to Guna that Arunmozhi had been bribed by a pharmaceutical company that planned to start an epidemic under the pretext of introducing a vaccine.

[4] Narthan later opted out and was replaced by Obeli N. Krishna, who previously directed films like Sillunu Oru Kaadhal (2006) and Nedunchaalai (2014).

[5] After Krishna entered the project, the film's writing was reworked to include more characters and a modified storyline.

[6] Silambarasan, who was simultaneously shooting for Gautham Vasudev Menon’s Vendhu Thanindhathu Kaadu, was reported to join the film's sets again.

[19] Gautham Karthik and Priya Bhavani Shankar completed dubbing for their portions on 22 December 2022 and 3 January 2023, respectively.

[20][21] The music of the film is composed by A. R. Rahman which marks his second collaboration with the director after Sillunu Oru Kaadhal and fifth film to feature actor Silambarasan after Vinnaithaandi Varuvaayaa (2010), Achcham Yenbadhu Madamaiyada (2016), Chekka Chivantha Vaanam (2018) and Vendhu Thanindhathu Kaadu (2022).

[26] The post-theatrical streaming and satellite rights of the film were acquired by Amazon Prime Video and Zee Tamil.

"[31] Janani K of India Today gave the film 2.5 out of 5 and wrote "Pathu Thala could have been an intriguing gangster drama if only it had done away with predictable elements.

"[32] Bhuvanesh Chandar of The Hindu wrote "It is unfair to compare Mufti and Pathu Thala; however, this remake is a good case study of how it isn’t enough to infuse more novelty on paper if the same doesn’t translate to the screen.