Wisdom of the Crowd is a drama about a visionary tech innovator who creates a cutting-edge crowdsourcing app to solve his daughter's murder, and revolutionize crime solving in the process. Inspired by the notion that a million minds are better than one, Silicon Valley entrepreneur Jeffrey Tanner, develops "Sophe", an online platform for publicly shared information he's certain will find his daughter's killer. To assist him, Tanner recruits Detective Tommy Cavanaugh, the original cop who investigated the murder but was unceremoniously forced off the case. Working with them is Sara Morton, a brilliant engineer whose relationship with Tanner goes beyond professional; Josh Novak, a talented, nerdy-cool head programmer; and Tariq Bakari, a tech genius and expert hacker with issues adhering to the rules. Concerned with Tanner's obsession is his successful ex-wife, Congresswoman Alex Hale, with whom he shares an unbreakable bond over their shared grief. As Tanner taps into the "wisdom of the crowd", his unexpected success fuels his determination to solve even more cases than just the one that's personal to him.
A user of Sophe, the cutting-edge crowdsourcing platform, uploads new footage of Jeffrey Tanner's daughter, Mia, being strong-armed by an unknown man five months prior to her murder. Also, Tanner enlists Sophe to help with Cavanaugh's case of a missing teenager.
Tanner's previous company claims Sophe was created using their copyrighted codes and legally threatens to shut down the organization. Also, Cavanaugh works with Tanner to solve the murder of a retired detective after his boss removes him from the case due to a personal connection with the family.