Ye book Pranav naam ke ek quiet student ki story hai, jo final-year bully Rohan ke taanon se tang aakar apne andar doosron ke thoughts padhne, reality ko alter karne aur mind frequencies ko manipulate karne ki ek khaufnak taakat discover karta hai. Bina kisi physical touch ke, Pranav apni private diary 'The Black Dossier' ki madad se Rohan ko ek severe psychological breakdown tak pahuncha deta hai; lekin jab wo guilt ke baad apni is dangerous power ko dabaney aur Ananya ke sachhe pyaar mein ek normal zindagi jeene ki koshish karta hai, tab uski band diary par ek adrishya haath se chilling message appear hota hai ki wo is ability wala pehla insaan nahi balki sirf ek 'PROTOTYPE' tha aur ab andhere mein chhipe kisi unseen dushman ne uski sabse badi weakness, Ananya, ko dhoondh liya hai.