Plot summary
The house renovation begins. Isabelle and Shane start at a new school. To ward off bullies, Shane makes a pre-emptive strike against a popular boy. Doug keeps the border militia at bay while Andy smuggles his first troop of undocumented immigrants into the country. Unfortunately, Andy forgets to demand payment. After catching Celia sleeping on the job, Ignacio gives her a hit of cocaine to keep her awake; Celia becomes addicted. Esteban calls Guillermo and Nancy to his office for a meeting, after Guillermo issues a death threat against Nancy. After Esteban squashes the order, he takes Nancy out to lunch at a Mexican café. While Nancy is in the restroom, a rival drug cartel fires weapons into the café, causing damage. They discuss the moral ambiguity of Esteban's charitable work in light of his leading a drug cartel. After Nancy visits Esteban's lion, they have blood-drawing sex.
Credits
Adapted from Wikipedia contributors, Weeds season 4. Exact episode table narrative; paragraph formatting adjusted; reference markers, illustrations, cast notes and title-reference commentary omitted.