Having knowledge about any movie is good but Andhadhun is movie about which the lesser you know the better it would be. This is a suspense and thriller movie and after " Ek hasina thi" ( 2004) , " Johnny Gaddaar" (2007) , and " Badlapur" (2015) you can trust for one more time on the director Sriram Raghavan. About 15 minutes long French thriller " The Piano Tuner" by Director Oliver Treiner has been converted to two and half hour film by Raghavan and his team of writers. If you are interested in Cinema Writing then by seeing " The Piano Tuner" on YouTube and " Andhadhun" you can understand how a small plot has been converted into a movie. " Andhadhun" directory and script is tied most of the time. But in some long scenes and parts some relaxation has slowed down the movie but inspite of this the suspense of what is going to happen next never ends. " Andhadhun" is the story of a blind pianist Aakash( Ayushmann Khurana) who is a resident of Pune. He is an eyewitness of a murder. Aakash' s dream was to go to London and play Piano but after this murder he finds his dream being scattered, while on the other hand he has Sophie( Radhika Apte) , whom he loves.Aakash plays piano in Sophie' s father bar/restaurant. But the biggest question is that Aakash couldn' t see, so how could he be able to dictate all the things that happened? There is something which you would always want to know.