Billie breaks her arm after a night of heavy drinking and lies about it to her friends, but Dave eventually discovers the truth during his sobriety anniversary party. Jerry decides to stage an intervention for Billie.
Marcus has a difficult time sharing Billie with the program and feels excluded from her life. Billie invites Marcus to an AA meeting, but he decides to write an article about it. Billie has difficulties taking on her new responsibilities as the AA group secretary.
Clark and Henry ask Billie to carry their baby, but Marcus doesn't think it's such a good idea. Dave suffers from of chronic tiredness since he began dating a female athlete who beats him soundly at every sport they try.
Dave and Marcus attend a party at the "Perfect 10" mansion without telling Billie and Raquel. Invitationless Billie and Raquel hatch a plan to get even with Dave and Marcus. Nobby Clegg makes amends with a playmate.
Trudy enters the hospital for plastic surgery, but the doctor refuses to do the operation because her drink problem has lead to a life-threatening heart condition. Martin tells Billie he is leaving Trudy.