In this season's finale, the DEA brings Nancy in for questioning. Then she must explain things to Esteban. Andy has a personal epiphany. Celia travels deep into Mexico to make amends with estranged daughter Quinn. Meanwhile, Silas meets Lisa's ex-husband; Shane starts dealing weed at his school and Doug finds ...
Nancy talks to the DEA and tries to figure a way out of her situation.
Nancy considers what to do about Shane's latest problematic behavior, and has another confrontation with Guillermo; Celia doesn't get along with her rehab partner (Bob Odenkirk) and she seeks a transfer to a new facility; Doug and Maria's relationship hits a snag, so they turn to Andy for help; Silas ...
Nancy learns that the tunnel is being used for more than drugs. Esteban puts her fears to rest as well as her nagging headache with a strong remedy. Celia's family stages an intervention in order to force her into rehab. Andy finds Maria and takes her across the border to ...
Despite their busy schedules, Nancy and Esteban try to find some time for each other. After finding out about Shane's fantasies and Silas's new and much older girlfriend, Nancy also has to talk to both of her sons. With their relationship going on, Lisa and Silas add some special offerings ...
A spontaneous date ends in near-violence for Nancy and Esteban; Silas reveals to Lisa that he grows pot, and she makes him a tempting offer; Andy and Doug smuggle their first customer across the border; Celia develops an addiction.
Nancy has more problems at work, Celia discovers cheap pharmaceuticals, Silas gets deeper into his relationship with Lisa, and Andy and Doug take a big step.
Nancy gets into more trouble, Isabel moves, Silas flirts with a new crush.
Nancy learns new things at her job. Silas and Shane get into trouble at home. More of Celia's plan falls into place.
Doug drops by for a visit. Nancy and Andy run an errand. Celia stirs up trouble.