If you try to extract part1 and get an error saying "Volume is required," you are missing the subsequent parts.
Since this is a specific file name rather than a prompt for a creative story, you may be looking for information on how to handle it or what it contains. FictionalStory-Full-pc.part1.rar
Many archives of this nature are password-protected by the original uploader. If you try to extract part1 and get
A .rar file is a compressed archive. To access the contents, you need a utility like WinRAR or 7-Zip . FictionalStory-Full-pc.part1.rar
The "pc" and "Full" tags suggest this is a full version of a PC application or video game titled "Fictional Story." Common Troubleshooting for This File Type: