Warframe | Whisper in The Walls Explained!

Warframe's lore is a cacophony symbolism, and concepts. What we have here is an attempt to grasp what the story of Whisper in the Walls is as well as the background.
0:00 Intro
0:55 Recap
7:45 Retelling For Clarity
22:09 Speculation
27:32 Closing