Thai Mozhi is a 1992 Tamil-language action drama film directed by R. R. Ilavarasan.
The movie stars Sarath Kumar and Mohini in lead roles, with Vijayakanth making a special appearance.
The story revolves around Rajasimham, who loses his mother to suicide following insinuations about her past chastity. He harbors an interest in Mary, the daughter of Anthony, a wealthy man known for terrorizing villagers and dating a girlfriend, Mariadas.
Rajasimham assists Anthony with his fishing work, but their complicated past leads to conflicts between them. After an encounter with Mariadas' henchmen, Rajasimham is arrested by the police inspector, who later transfers away after a few fights with Mariadas' crowd.
The film was released on 25 October 1992 and explores themes of revenge, love, and social hierarchy in a coastal village.