Retta Thala is a high-energy Tamil action thriller that follows Kaali, a struggling man from Pondicherry who dreams of wealth, respect, and a better life but finds himself stuck in poverty and heartbreak when his love interest, Anthre, pushes him to aim bigger. His life takes a dramatic turn when he unexpectedly encounters Upendra, a wealthy lookalike whose power and influence stand in stark contrast to Kaali’s hardships. Tempted by the promise of a richer, more powerful life, Kaali gets drawn into a dangerous world of crime and identity swapping, leading to intense confrontations, moral dilemmas, and chaotic consequences as he tries to navigate greed, ambition, and the cost of his choices. The film blends action, identity twists, and emotional conflict while showcasing Arun Vijay in a dual role that drives much of the drama and tension throughout the story.

