Anwesa Riri ke tuition porate giye tar dada Mr. Roy er songe hoi porichoy. Roy mansion er sobai kei odbhut lage tar, jeno kono rohoshyo lukiye ache sobar modhye, er modhyei Mr. Roy er sohayotaye shey Roy & Roy comapny o join kore. Erpor eke eke shey Mr. Roy er sommondhe jante pare odbhut tothyo, kintu nijeke kichutei dure rakhte pare na tar theke o nijer ojantei aro kache chole jaye Mr. Roy er. Tarpor ki ki rohoshyer sondhan pabe shey jante shune nin ei Thriller audio story ti.