'Criminal Minds: Evolution' returns for its fourth season, plunging into the BAU's latest chilling investigations. The two-episode premiere begins with the team connecting a series of abductions to a cold case from 30 years ago, where a survivor recounts her harrowing experience. As the BAU delves deeper, they uncover a disturbing pattern of psychological torment inflicted by the abductors on their victims. Meanwhile, personal storylines unfold, with J.J. (A.J. Cook) dealing with the grief of her late husband while preparing to move, and Alvez (Adam Rodriguez) facing the heartbreaking loss of his dog, Roxy. The psychological horror intensifies in the second episode, where a war veteran's pain drives him to commit violent acts. Voit (Zach Gilford) remains a significant presence, exploring his influence and the media's portrayal of his crimes. This season promises to explore the complexities of crime and the emotional toll on the BAU, setting a dark tone for the episodes ahead.