the 100 promo episode 4 'The 100' episode 4 promo: Murderers, blame and executions in 'Murphy's Law'After the shocking murder of one of their own, the teens down on Earth on “The 100” are on a hunt for a killer in their midst. But how do they find who killed Wells when they’re all criminals, and the one responsible is an innocent-looking little girl?

Everyone is about to start throwing blame around, and with the mob mentality, one innocent teen faces an undeserved execution. Yeah, “The 100” is going there. Episode 4, “Murphy’s Law,” is the darkest yet for The CW’s new series … and that’s saying something.

Watch a promo for the tense, dark episode below:

“The 100” airs Wednesdays at 9 p.m. ET/PT on The CW.

Posted by:Sydney Bucksbaum