Plot synopsis: My Life Partner deals with the deep and intricate emotional relationship between two men. The movie narrates the story of two friends-turned-lovers, Richard and Kiran, who were both born and brought up in different cultural backgrounds. Issues crop up when they plan to add a baby to their lives, reinforcing their mutual bond as the Indian law does not allow a man to adopt a child on his own. To find a way around this, Richard, who is a bisexual, marries an orphan, Pavithra. Their life goes topsy-turvy, when Pavithra discovers Richard and Kiran's relationship.