The film was officially announced in January 2023 under the tentative title Thalapathy 67, as it is Vijay's 67th film as a lead actor, and the official title was announced a few days later. The film follows Parthi, a café owner and animal rescuer in Theog, who is pursued by gangsters Antony and Harold Das who suspect him to be Antony's estranged son, Leo. It is the third installment in the Lokesh Cinematic Universe and is inspired by A History of Violence (2005), an adaptation of the graphic novel of the same name. The film stars Vijay in the titular role, alongside Sanjay Dutt, Arjun, Trisha, Gautham Vasudev Menon, Mysskin, Madonna Sebastian, George Maryan, Mansoor Ali Khan, Priya Anand and Mathew Thomas. Leo (also marketed as Leo: Bloody Sweet) is a 2023 Indian Tamil-language action thriller film directed by Lokesh Kanagaraj and produced by Seven Screen Studio.
