Every great story needs a foundation. Since your topic is a video file, consider what it represents:
: Set the scene. Is this happening in a dimly lit apartment or a high-tech lab?. 987eb3292b6f6dd95e8a472c04db9d92.mkv
: Start with a sentence that makes the reader wonder why this specific file matters. Every great story needs a foundation
: The story could be about a character discovering this exact file on a mysterious hard drive. 987eb3292b6f6dd95e8a472c04db9d92.mkv