Trudy's contemptuous nickname for her pregnant daughter-in-law Tish is revealed. Dave drags Billie along to another A.A. meeting. Tish offers to help Billie by cleaning her apartment but Billie's tales of her past escapades with a woman alienate Tish.
Jackie's new ex-con girlfriend (who has more than just anger issues) proves too much for both Dave and Billie who find themselves drawing closer to one another after the two lovers move into Billie's apartment.
Billie finds herself reaching her bottom, but with Ted elsewhere and Dave and Jackie off visiting Sue in prison, Billie finds herself alone and grappling with God.
Billie tries everything she can to get out of a coffee commitment for Addictions Anonymous while her new sponsor, Chad wants Dave to stop flirting with her.
While helping out at the Addictions Anonymous hot-line, things get heated when Billie and Dave finally make love only to be heard by a "sleeping" Jackie and a caller on Billie's phone.
Thinking their relationship is nothing soon turns to something when Billie catches Dave sleeping with a stripper that Billie tries to help under Chad's advice to reach out to others.
Billie is excited about her upcoming role in a movie directed by Harve's nephew, but Harve, who is producing, has the script rewritten to add gratuitous nudity. Trudy is having an affair with a much younger man.
Billie is nervous about having to endure her parents' birthday celebration for her and asks Jackie to go with her. Dave plans a surprise party for Billie.
Billie pays her TV mom Colleen Woods a visit to make amends with her. Colleen and Trudy argue about which one of them has been a better mother to Billie.
Billie plans to spend an evening with Ritch, an old friend with benefits of hers, causing Dave to become extremely jealous. Chad and Dave are worried Billie might end up drinking because of Ritch.
Billie hosts a baby shower for Tish that becomes a high-spirited affair when Tish's Christian friends feasts on marijuana brownies. Meanwhile, Dave comes home to find Jackie in grave danger.
