"Soverin's Pride: Prologue" was supposed to be just a little introduction for a larger new quest created by well-known Mod-Tec Team (or "Mod-Tec Laboratory" in Russian modding community) . Following the trails of escaped synth from the Commonwealth, you should've uncover pre-war secrets and understand how this facility put an end to its own founders.
But final project was remade and refused within developers team several times, so few members of the team decided to at least upload little prologue as a separate quest mod back in 2012 for all interested players. And even though it's just a small piece of original project, you can experience this mod as a self-contained side story.
And now for more proper advertisement.

WHAT TO EXPECT
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1) New side quest with light humour (PuceMoose's enjoyers will be pleased);

2) Around 15-30 minutes to see all new content in well-designed locations;

3) The quest structure was made with classic interactive style of old quests (aka "walking simulator" in modern gaming industry);

4) Different choices to complete tasks; 

5) Environmental storytelling at its best (don't rush and try to "inspect" all clutter, notes and things in the locations, talk with every NPC - there is enough for you to uncover);

HOW TO INSTALL
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No specific requirements this time, because original creators left full permissions to upload and modify their mod.
But you should enable ALL SUBTITLES in settings, otherwise you'll miss all PC's commentary and thoughts.

1) Place the .esp and .bsa in the Data folder of the game 
2) Activate the [Mod-Tec] - Soverins Pride.esp file and run the game.
OR
1) Just use Vortex installation path and activate plugin.

HOW TO START
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The quest starts automatically, after activating mod you'll receive pop-up message (screenshot in "Images" section on this page) with options to start quest or delay for 24 hours. 
While playing "Soverin's Pride", all your gear and weapons will be removed.
Dismiss your companions before starting the quest.

BUGS AND CONFLICTS
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The mod is clean and I tested it several times. No bugs or problems, playable from start to finish.
Shouldn't conflict with any other quest mods because you'll be "placed" in separate location which doesn't use exterior objects or doors in Wasteland worldspace.

CREDITS
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Final project by Sergey_Ros and Markus from Mod-Tec team which I was glad to revive for foreign audience.
Deepest gratitude for all these memorable quest mods which introduced me to new community of gamers. 
And my translations intended as a "thank you" letter for all enjoyment that I had with these projects.