The main characters of the series are a team of the best FBI investigators, capable of understanding and analyzing the thought process of the most sophisticated criminals, predicting their next moves, and thus preventing horrific crimes. When ordinary criminalists hit a dead end, specialists in behavioral analysis come to their aid. Instead of carefully examining evidence, they try to find and understand the motives behind the crime, delving deeply into each step of the criminal and attempting to think like them. Working at the crime scene, these professionals investigate it from the inside, trying to understand the thoughts of the criminal, no matter how dark they may be.