Appu is a 2000 Indian Tamil-language romantic thriller film directed by Vasanth. The movie stars Prashanth, Devayani and Prakash Raj. The music is by Deva. This film is the Tamil remake of Hindi film Sadak (1991).


Appu (Prashanth) is a taxi driver in Mumbai. He had a sister Saradha (Easwari Rao) who committed suicide as her husband sold her to a brothel for money. One day, Appu meets Seetha (Devayani) and develops affection, but she is also sold by her uncle to a brothel managed by Maharani (Prakash Raj), a transgender woman, as he is unable to repay his debt. Appu decides to save Seetha from the brothel. In the meantime, he finds out his sister was also sold to the same brothel managed by Maharani, so he decides to take revenge. Love blossoms between Appu and Seetha. Appu loses his friend Mano (Vignesh) and lover Pooja (Kaveri), as they both get killed by Maharani. They sacrifice their lives for Appu and Seetha. Finally, Appu kills Maharani and unites with Seetha.