We see Jimmy fully embracing the "Saul" persona, not just in court but in his personal vendettas, using his legal savvy for petty, destructive ends.
Hank Schrader and Steven Gomez make their first seasonal appearance, investigating a dead drop that leads them to arrest three individuals and seize roughly $700,000—a moment that significantly overlaps with the timeline of the Breaking Bad pilot. [S5E4] Namaste
Kim Wexler struggles with her Mesa Verde work, specifically the eviction of Everett Acker. She attempts to sabotage her own client’s interests by helping Acker, ultimately enlisting Jimmy (as Saul Goodman) to represent him. We see Jimmy fully embracing the "Saul" persona,
'Better Call Saul' Series Finale: How Does Saul's Story End? - IMDb She attempts to sabotage her own client’s interests
This episode is pivotal because it brings together the legal drama of Jimmy and Kim with the high-stakes cartel world through the DEA's involvement.
The mention of the $700,000 seizure is a direct link to the Breaking Bad pilot , grounding the prequel firmly in the established lore.