Mozhi (English: Language) is a Tamil language feature film produced by Prakash Raj and directed by Radha Mohan. The movie, which has a critically acclaimed storyline, stars Malayalam actor Prithwiraj, Jyothika, Prakash Raj and Swarnamalya in pivotal roles. Although The film deals with many serious issues of life, it moves at a fast pace and is in general funny, with Prakash Raj providing most of the hilarious moments. Vidyasagar has scored the music for the film whilst A. Sreekar Prasad handled the editing & K.V:Guganof the film, respectively. Shooting sessions for the film were held at several locations including India and Mauritius. The film was released on February 23, 2007 and has become a blockbuster upon release despite facing Paruthi Veeran at the box-office.

Karthik (Prithviraj) and Viji (Prakash Raj) are close buddies who are keyboard players in music director Vidyasagar’s team. They are brilliant in their work of re-recording and background score. They are fun loving, witty and share a great rapport. They come to live in an apartment complex where they meet a handful of interesting people. Their neighbour and flat secretary Ananthakrishnan (Brahmanandam) is not too happy about Karthik occupying the flat and asks him to vacate as bachelors are not allowed to live there.

Story
One day Karthik sees a girl (Jyothika) on the road and he is quite impressed by her attitude and guts. Later he understands that she is Archana, a deaf and mute girl who lives in the same complex. Karthik falls in love with her and the friends try to find out more about her from Archana’s best friend Sheila (Swarnamalya). Karthik learns sign language and decides to make Archana his life partner, though she considers him as a good friend. In the meantime, Viji falls in love with Sheila who is a widow. The rest of the story is agony, pain and sacrifices they go through till the climax. In the end, Viji and Sheila get married and Archana admits her love to Karthik.