The legality of Tamilyogi is a topic of debate. While the platform claims to provide access to public domain and Creative Commons-licensed content, it has faced criticism and legal challenges from the film industry and copyright holders. Some argue that the platform enables piracy and copyright infringement.

The story revolves around Kathiresan (played by Varun Sandesh), a young man who falls in love with Naina (played by Hansika Motwani), a beautiful and charming woman. As their relationship deepens, they face various challenges and obstacles that test their love and commitment. The film takes the audience on a journey of self-discovery, as the protagonists navigate their emotions and ultimately find their way to each other.

As their respective departure dates for the US and Paris approach, the tension between their career ambitions and their feelings for each other grows. A critical moment occurs when Bhavani goes missing, forcing Adhi and Taara to confront their true feelings during the search.

Tamilyogi is a popular online platform that provides access to Tamil movies, including "OK Kanmani". The website and app offer a wide range of Tamil films, including old and new releases.

Released on April 17, 2015, O Kadhal Kanmani was hailed as a spiritual successor to Ratnam's classic Alaipayuthey . While his previous ventures like Kadal and Raavanan experimented with darker, more abstract themes, OK Kanmani saw the director returning to his roots: a light-hearted, breezy, and technically superior love story set against the bustling backdrop of Mumbai.

: Both are highly ambitious and skeptical of the institution of marriage. Wanting to enjoy each other's company without long-term commitment, they decide to enter a live-in relationship .