|Release date 16 June 2000|
Appu (Prashanth) is a taxi driver in Mumbai. Appu had a sister (Eashwari Rao) who committed suicide as her husband sold her to a brothel for money. One day, Appu meets Sita (Devayani) and develops affection immediately. But Sita is also sold by her uncle to a brothel managed by a eunuch Maharani (Prakash Raj) as he is unable to repay his debt. Appu decides to save Sita from brothel and in the meantime, he finds out that his sister was also sold to the same brothel managed by Maharani and decides to take revenge. Love blossoms between Appu and Sita. Appu loses his friend Mano (Vignesh) and his lover Pooja (Kaveri) as they both get killed by Maharani. Finally Appu kills Maharani and unites with Sita.
During production, the film was briefly titled as Surya before being renamed to Appu.
The film score and the soundtrack were composed by film composer Deva. The soundtrack, released in 2000, features 5 tracks.