: The season illustrates that romantic love and the cartel lifestyle are often incompatible. Teresa’s attempt at a "normal" relationship with Eddie Brucks fails, reinforcing the idea that she must stand alone to survive.

: The car bombing that kills Teresa's godson, Tony Parra , serves as a critical turning point, hardening her character and pushing her toward a "dark path" of vengeance.

: Teresa successfully extends her smuggling operations across New Orleans, Miami, and eventually toward New York City.

: In a dramatic finale, Javier Jiménez confesses to the accidental murder of Lafayette’s nephew and dies taking down the Judge's right-hand man, Green, to protect the cartel.