A pot-dealing suburban widow (Mary-Louise Parker) deals with her 15-year-old son and his girlfriend, who want to have sex, and a competing pusher who went back on his promise not to sell to kids. Haley Hudson.
A cash crunch forces Nancy to ask her pot supplier to front her a couple of ounces on credit, and to put up her SUV as collateral. Also, Celia has a face-to-face with the tennis pro (Michelle Krusiec) who's been sleeping with her husband.
Nancy's business may be going up in smoke when some of her clients obtain medical marijuana cards and are able to purchase legal pot at a “weed boutique.” Also, Celia plays a dirty trick on her daughter when she discovers the girl's secret chocolate cache.
Nancy's ne'er-do-well brother-in-law (Justin Kirk) shows up unexpectedly, hoping to crash at her house; and Vaneeta turns Nancy on to a baker (Jane Lynch) who makes pot-laced delicacies. Also, Celia delivers some shocking news to her husband.
Nancy needs a legitimate business front to cover up her dealing income, so she decides to open a faux bakery; pot-addicted Andy attends a narcotics-rehab session and gets hooked on the group leader (Brooke Langton); Celia hooks up with one of Nancy's drug suppliers.
Nancy sees an opportunity to expand her client base and recruits her son's tutor (Maulik Pancholy) to deal to local college students; Celia's domineering mother visits; and Shane makes a new friend while his Uncle Andy makes it with the kid's mother.
Nancy turns down the advances of a single dad (Martin Donovan) but has a brief sexual fling with a pot-dealing competitor. Also: Andy and Doug get into Nancy's stash and have a high old time trying to capture a rat in the wall.
Nancy gets busted on campus by the head of security, and she contemplates saying yes to drugs for her troubled youngest son. Also: Silas becomes increasingly close to his girlfriend's father, and a rival dealer wants to go into business with Nancy.
Nancy reaches a monumental business decision; the police pick up a high-on-ecstasy Silas; Andy gets a surprise summons from Uncle Sam; Heylia thinks Conrad and Nancy are getting too close and orders him to keep away her.