The episode explores the "ridiculous chain of command" within elite circles and the moral exhaustion agents face when confronting institutionalized crime. Alternative Reference: The Curse of Oak Island
Below is a formal summary of the Season 4 Premiere, which fits your specific S4E1 criteria. [S4E1] All That Glitters
While there are several television episodes titled the most prominent matches for Season 4, Episode 1 are from the procedural drama FBI and the reality series The Curse of Oak Island (though the latter's episode of that title is actually the seventh of its fourth season). The episode explores the "ridiculous chain of command"
Takes a lead role in bridging the investigation between the veteran suspect and the broader trafficking ring. [S4E1] All That Glitters