A perfect execution of a crime thriller telling the story of a serial killer in a convincing manner. There were a couple of scenes that could scare you to the verge of the seat Guys, please do watch this movie in theaters this is the one of the best tamil movies i have ever seen.Performances are natural in this psycho crime thriller. #VishnuVishal gives his heart and soul for #Ratsasan. #Ghibran's background score uplifts the film to a whole new level. Screen play is the backbone of this movie #RamKumar direction is very good in this movie.