Sonya encounters a man from her past, while Marco meets the new prosecutor sent to clean up the Chihuahua Police Department. A strange woman seeks answers about the money confiscated from Millie Quintana's house. Her search leaves a bloody trail.

Both the US and Mexican police search for the mysterious woman linked to murders and Millie Quintana's money. The DEA get involved in the case when one of their own turns up dead. Frye and Adriana make a grisly discovery.

Sonya and Marco work together to find Eleanor, while she disposes of a body and arranges to cross the border. Frye and Adriana stake out bank ATMs, and Charlotte and Ray's drug shipment for Fausto gets stolen. Out of fear, they flee.

A banker's death brings Sonya and Marco new clues about Eleanor, leading them back across the border into Mexico. There, Marco learns the true extent of Fausto's reach. This leads him to Abelardo, and they plot to bring Captain Robles to justice.

Eva's statement of the crimes against her puts Sonya, Hank, and Abelardo at risk. Fausto takes revenge against some thieves and gives Marco a chance to exact his revenge against the man who killed his son.

Eva's case leads to more bloodshed. Sonya and Marco are attacked while trying to recover the missing affidavit. Eva decides to take matters into her own hands. Sonya and Hank are observed investigating the Red Ridge Development.

The truth about Sonya's sister's death is revealed, and her relationship with both Hank and Jack are scarred. Marco lies about the attack at Abelardo's hotel, and receives a medal for bravery, using it as leverage against Captain Robles.

Sonya begins to put together the pieces of Red Ridge View. When Joe tells her about Marco's past, their relationship is put to the test. And Sonya's pursuit of Fausto puts her in danger. Eva and Linder continue their quest for revenge.

Marco finds out that Sonya about to be killed and races to save her. Fausto finds out that he's being double-crossed and sends men to kill everyone. A bloody shootout leaves only a few standing.

When Hank goes missing, Sonya's gut leads her and Marco to the massacre at Red Ridge View. Monte tends to Eleanor as Cesar kidnaps Hank. Eleanor deals with a wounded Hank in hopes of finding the missing ledger. Fausto kidnaps Romina.

Fausto leverages Sebastian's daughter to stop the search parties and insure his escape. The DEA and CIA step in on Sonya's investigation of Eleanor. Hank helps Sonya secure the ledger. Marco looks for help as he sets out to take down Fausto.

Sonya and Hank follow a lead taken from Eleanor's ledger, while Eleanor attempts to clean up and render the ledger useless. Marco offers Fausto the chance to be arrested instead of killed, and Fausto contemplates a way to escape on his own terms.

Hank and Sonya continue to investigate, when vehicles from the crossroads bring up new leads involving the CIA. Marco does his best to protect Romina from Fausto as they continue to run from the marines. Frye deals with pressure to drop the story.