When Avery's friend, an Interpol agent, is murdered by the #1 criminal on the FBI Cyber's Most Wanted List, Avery risks her life to capture the killer, the Deep Web's most notorious and dangerous drug dealer.

Cyber’s most notorious criminal, Python, returns to kidnap Avery’s surrogate daughter, making the team decipher a series of elaborate code-like puzzles in an attempt to save her life.