Kannum Kannum is a 2008 Tamil film directed by G. Marimuthu who also wrote the story, screenplay and dialogues. Prasanna plays the leading role as Sathyamoorthy, and Udhayathara pairs with him. The films score and soundtrack is composed by Dhina, with lyrics by Kavi Perarasu Vairamuthu. It premired on Kalaignar TV as part of their Gandhi Jayanthi Special Programmes onOctober 2008.
One fine day he goes to Kutralam to meet the girl and stays in his friends house. The girl is away on a college tour. Ironically, she is the sister of his friend. In the second half, the friend dies in a mishap accidentally caused by Sathyamoorthy. Wishing to atone for his fault, he takes on his friends responsibilities and considers his friends sisters as his own sisters. When the girl comes back, she finds a new brother, who is supposed to be her lover. She is opposed to Sathyamoorphy since she thought it was totally his fault until she realises why he has come to Kutralam. This is followed by an emotional resolution of their love.The Subplot follows Vadivelu as Udumban, whose antics are one of the highlights in the movie, especially the Kanatha Kaanom scene. A reference to the scene is made in the 2009 film Kanthaswamy. ........
Source: Wikipedia