Naan Yaar Theriyuma is a 1967 suspense thriller film.
The story revolves around Jaishankar, who returns home to find his mother abducted by the villain OAK Devar, a lookalike of his grandfather. The grandfather had hidden a large sum of money and left clues for its location in two halves, one of which was entrusted to Jaishankar before being killed by OAK Devar.
Jaishankar travels to Mumbai to find his mother and piece together the information from Bharathi, the police inspector's niece, and Cho. Together, they navigate the city and outwit the villain's plan.
The film features a twist in the climax scene and includes melodious songs.