If you think you know what the City of Light is, prepare to be as confused as Jaha and Murphy when the truth comes to, well, light.

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The break off group of Sky People are still stuck in the Dead Zone, with nothing but a field of solar panels and a drone to point them in the direction of the fabled city. When the true nature of the City of Light is revealed, series creator Jason Rothenberg promises characters and viewers alike will be surprised.

"Let's not even get into the City of Light, because that's down the road kind of stuff," Rothenberg told Zap2It. "But people will be surprised when they find out what it is. Nobody will guess it. I'll put it that way -- nobody will guess."

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Hopefully this revelation will come before the end of the two-part season 2 finale. "Blood Must Have Blood: Part 1" will air on March 4 while "Part 2" will follow on March 11.

Find out more when The 100 airs Wednesdays at 9 p.m. ET on The CW. Click the video below to see a preview for the series next episode.