Weeds

Nancy and her family relocate to the border town of Ren Mar, where Andy's father (and new landlord) awaits; Doug, Dean and Andy are interrogated by the DEA.

After getting her family settled in their new home, Nancy turns her attention back to business and gets a crash course in running across the Mexican border; Celia adjusts to prison life; Andy confronts his irresponsible father.

Nancy makes her first trip across the Mexico-U.S. border, while Celia strikes a deal to get out of prison.

Nancy takes Andy on a mission after they spend a week sitting shiva.

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.

Season 4. Doug and Andy review candidates for a human smuggling operation.

A spontaneous date ends in near-violence for Nancy and Esteban; Silas reveals to Lisa that he grows pot; Andy and Doug smuggle their first customer across the border; Celia becomes an addict.

Nancy confronts her sons regarding matters of the opposite sex; Celia's binge continues; Andy and Doug meet up with El Coyote while searching for Doug's new love in Mexico.

Season 4. Nancy learns that the tunnel has uses other than drug smuggling.

Nancy deals with Shane's exploits, Silas's sandwich business, and her own recent Ayuasca trip; Celia's conflict with her rehab partner forces her to change facilities; Doug and Maria's relationship sails into rocky waters.

A fed-up Nancy squeals to the DEA about the drug tunnel; Celia finally embraces rehab and sets about making amends; Andy comes clean to Doug about Maria; Shane shows off his drug-scoring acumen.

Season 4 finale. Nancy is questioned by the DEA and confesses to Esteban.