Book promotions are indeed getting innovative. Author Chetan Bhagat has released a trailer of his new book, One Arranged Murder. The trailer stars actor Vikrant Massey. In the trailer, Vikrant gives a glimpse of the storyline that revolves around two best friends who used to run a detective agency and how one of them got married to a successful businesswoman and later got mysteriously killed. In the trailer, Vikrant gives a hint of the plot.