In Season 3, popping up just next to Agrestic is a new, sprawling mega-church neighborhood called Majestic, which takes a toll on the Agrestic residents.
After being threatened by U-Turn and The Armenians, Nancy goes in search of Silas and her hijacked pot. Meanwhile, Celia has Silas arrested for stealing her "Drug Free Zone" signs. Nancy visits him in jail only to discover that the pot is still in his car—the one that Celia has just driven away in.
After retrieving the pot floating in her swimming pool, Nancy frantically tries to return it to working condition. Failing, she goes to Heylia's to inform her of the situation. Meanwhile, Andy's Amber Alert has paid off — the police have located Shane and are holding him at the station with Silas. But Andy soon discovers the unintended consequences of his alert.
Nancy gathers Silas, Shane, Andy, and Lupita to brainstorm ways to come up with the money to pay off her debt to U-Turn. Celia meets with her divorce lawyer Arlene Cutter, who recommends she start spending more quality time with daughter and cash cow Isabelle if she wants custody.
Nancy explores alternate sources of income, including obtaining a real job. To Celia's dismay, the Agrestic city council needs Doug's vote when developer Sullivan Groff makes his proposal. Conrad and Heylia set up their new growhouse. Silas performs his community service, while Andy gets into trouble doing his military service.
Nancy's world gets further entangled with U-Turn's gangster life. Both Celia and Doug make deals with Sullivan Groff. Conrad takes matters into his own hands. Andy tries to hide from the military. Shane starts summer school in Majestic, while Silas displays an aptitude for the family business.
Nancy throws a cocktail party for town leaders amidst U-Turn's increasing presence. Celia's relationship with Sullivan Groff deepens as Doug tries to intervene. U-Turn pays Conrad and Heylia a threatening visit. While doing community service, Silas meets the beautiful, religious Tara Lindman.
Nancy makes a deal for her future following U-Turn's death. Doug has everyone against Sullivan but Celia, who is more interested in him than ever. Andy is recommended for a unique catering job. Shane has trouble fitting in at school, while Silas continues to spend time with Tara.
As she tries to rekindle her own business, Nancy comes face to face with Peter's other ex-wife, Valerie. Celia takes a bold step with Sullivan. Andy gets further involved in the films he's catering. While suspended from school, Shane and Isabelle bond. Silas brings Tara on an errand.
Nancy forges an unlikely friendship with Peter's ex-wife Valerie while Celia's budding romance with Sullivan gets sidetracked when Dean is hospitalized. Doug declares war on Sullivan when his golf membership is revoked. Conrad teaches Silas to grow.
Nancy expands her distribution network, money is rolling in and everything looks great... until her new friend Valerie betrays her and the DEA starts calling. Celia continues to care for her invalid husband Dean. Doug faces scrutiny from the new Majestic city council over his investment in Aguatecture.
Valerie's private investigator tracks Nancy's every move. Celia investigates Aguatecture. Doug and the rest of Agrestic's city council discover they're out of jobs. Silas learns Tara is dating other guys. Shane installs a high-tech security system.
Celia wants in on Nancy's drug business. The surprise arrival of a fire inspector causes Heylia and Conrad to evacuate the plants from the warehouse. Andy takes Dean to play murderball. Doug steals the cross off the Majestic church.
Nancy explores her new relationship with Conrad while doing business with the biker gang. Heylia and Vaneeta make the most of their new suburban life. Andy continues to woo biker chick Denise.
Nancy must deal with an injured Silas and a mentally unstable Shane, while deciding how to handle the increasing biker gang threat. Doug continues his war with Sullivan. Celia seeks tutelage from Heylia on the pot business.
As the wildfire approaches, everyone must evacuate. Nancy tells her family to pack up, while Conrad and Heylia must say goodbye to the growhouse. The authorities question Sullivan and Celia, while Shane continues to ask Nancy about Pittsburgh. As Andy deals at the evacuation center, Silas realizes the truth about Tara.