Nancy has relocated to the border in search of a new life but she soon finds her past to be inescapable. Both problems and people follow her on her journey, but some have finally been left behind.
Nancy runs her first courier job for Guillermo across the border, but it doesn't go as planned. Meanwhile, Celia lives trough a tough time in prison, and Andy and his father Lenny face a confrontation on their family history.
Nancy successfully completes her first job as drug courier across the border. In the meantime, Celia closes a deal with Captain Till to get out of prison and Andy tries to fulfil his grandmother's death wish.
When Doug's work in Agrestic is investigated, he abdicates from responsibility and takes refuge in Ren Mar where the Botwins sit Shiva after Bubbie's death. Nancy and Andy run another errand for Guillermo.
Nancy discovers that working retail isn't as mundane as she thought it would be, while Andy struggles to get home from the desert and Celia gets closer to the action.
Nancy sees something she shouldn't have when she follows a secret tunnel; Dean takes a new job and leaves Isabel to live with Celia; Doug falls for a vision of beauty on the beach.
Nancy speaks to her boss Esteban when Guillermo denies her cut of incoming pot. Meanwhile, Celia discovers cheap pharmaceuticals and Silas' relationship with Lisa deepens. Andy and Doug work on their human smuggling operation.
Nancy gets a deeper insight of Esteban when their date is forcibly interrupted. Lisa learns about Silas' pot growing activity, while Andy and Doug successfully smuggle illegal immigrants across the border.
Nancy and Esteban have scheduling problems. Celia has become addicted. Nancy catches Silas and Lisa. Andy catches Shane masturbating with photos of Nancy. Cue Nancy giving the boys an uncomfortable lecture. Mexicans celebrate "El Andy".
Celia's family and friends arrange an intervention for her. Nancy gets a migraine from finding out that there is *another* use for the tunnel. Mexicans find Maria. Shane tries a threesome with Harmony and Simone. Silas pines after Lisa.
Nancy makes a risky deal with Capt. Till. Celia has a revelation. Maria comes on to Andy, even though Doug may have her deported. Nancy wants to hear Esteban say "it". Shane secretly keeps hanging with Harmony and Simone.
Esteban is unwilling to kill Nancy just on basis of Shlatter's word. Nancy denies knowing Guillermo's boss. Lisa's ex-husband catches her and Silas in the act. Celia goes to Mexico to see her estranged daughter. Doug opens Andy's eyes.