The document discusses conventions in thrillers and how the described media product utilizes and manipulates conventions. It indicates that the product includes elements commonly found in thrillers like guns, shooting, and blood to create thrills for viewers. However, it subverts expectations by revealing these intense elements were only part of a dream, not actually happening. The document also compares the product's opening to "The Usual Suspects" and analyzes how it develops conventions through its storytelling approach while also challenging conventions by deceiving audiences.