India, Dec. 25 -- Kaali (Arun Vijay) is a nobody who lives on the streets of Pondicherry. His girlfriend Antre (Siddhi Idnani) is equally poor and wants to leave him to settle in France for a better future. But when Kaali stumbles upon his lookalike, Malpe Upendra, Antre persuades Kaali to kill Upendra for his fortune.

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Retta Thala is the story of two lookalikes, one is Goa's topmost hitman, and the other is a Pondicherry resident who is in love with Antre. The two heads, as referred in the title, symbolise the two men from different walks of life who share similar physical features. But what Retta Thala ...