Plot summary
Celia goes to a suburban therapy clinic; just as she begins to open up emotionally, Celia is booted out for having no health insurance. Doug tries to have sex with Maria, but she insists that he must win her affection. Andy gives him courtship advice; however, Maria is turned off by Doug's boorish personality, hatred for his ex-wife, and money embezzlement. Silas and Lisa start selling pot disguised inside sandwiches. As the business grows, Silas asks Nancy for money to start a grow house. Nancy learns that Shane had sex with Simone and Harmony; she admonishes him for having sex at age 13.
Nancy discovers that the tunnel is being used to smuggle heroin and guns. She expresses her reservations about working the tunnel to Esteban, who tries to reassure Nancy that the drug trade is "how I build schools and hospitals." Nancy replies: "It's not enough." Unable to accept the human trafficking operation, Nancy calls Captain Till in order to become an informant for the DEA.
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.