Automated backups from CCTV or security systems often use date-stamped filenames (YYYYMMDD).
The string appears to be a specific filename for a video file, likely dated October 28, 2021. However, there is no public record of a mainstream movie, show, or widely known media product with this specific alphanumeric ID. This format is commonly used for: 20211028-2zsuc_720pmp4
If this is a file you are trying to identify or review, you may want to check: Automated backups from CCTV or security systems often