Madhupal a well-known actor in the Malayalam Film Industry, turns into direction with Thalappavu, a true life story. The movie narrates the tale of the dreaded Naxal movement in Kerala in the early '60s, at the same time zooming in on the personal dilemma and relationships of the naxalites.

The movie focuses on a young naxalite Joseph and his strange relationship with a policeman Raveendran Pillai, who is ultimately forced to shoot and kill Joseph. Ravindran Pillai makes a confession 28 years later, knitting together the ties of family, which sets off an intense debate in the media. The movie spans a period from the 70's to the present decade.  

Prithvi plays the lead role of Naxal Joseph, while Lal portrays the character Raveendran Pillai. Actress Rohini returns to Malayalam movies after a long absence, as Raveendran Pillai’s wife. Bollywood actor Atul Kulkarni enacts an important role as a landlord named Krishnadeva Saiver.The film scripted by noted script writer Babu Janardanan, is produced by Tamil actor Mohan under the banner of Civic Cinemas. Ace cinematographer, Azhakappan handles camera for the film and Alex Paul composes music. Lal Release brings it to the theatres. .