This document analyzes the key conventions of thriller films that are used in a media product. It discusses the conventional features including the protagonist as a detective investigating clues, the antagonist as a wanted murderer portrayed as menacing. The main themes of crime, revenge and panic are typical of thrillers. While the setting of a library challenges conventions, the empty space creates unease. Iconography like weapons and tense music also conform to thriller tropes. The enigma centers around identifying the killer and motive, aligning with crime thriller questions. In several ways, the media product adheres to typical thriller conventions while also challenging the stereotypical setting.