The Plot : Grahanam is a suspense psycho-thriller which revolves around the life of a newly married couple Roy and Tina who are settled in Singapore. Roy is a scientist who is researching on Grahanam(Lunar Eclipse) and its impact on human psychology. Coincidentally, closer to Grahanam, Roy experiences unexplainable changes in Tina's behaviour.Tina on the other hand claims that Roy's identity is false and believes that he has been replaced by a look alike. A life-threatening incident that happens on the night of Grahanam hits the ceiling. The pursuit of truth following this incident forms the crux of the story.