Todd takes the custody battle to court with a mountain of evidence against Toni. Meanwhile, William starts seeing a much younger woman.

Joan is amazed at how well her new romance is progressing. Maya and Darnell try to compete with their neighbors' holiday decorating.

Maya fears Jabari is growing up too fast. Joan is uncomfortable about using the bathroom at Aaron's house. Monica and William ask Lynn for sex advice.

Joan causes a dispute between herself and Aaron after purchasing an expensive kitchen range for their new house and not discussing it over with him. After they defuse their feud, Aaron receives unexpected news. Meanwhile, Lynn begins to flaunt her success with her progressing music career. Golden Brooks, Reggie Hayes, Keesha Sharp and Khalil Kane also star.

Joan runs away to Mexico with Aaron in attempts to keep him from leaving to Iraq. While in Mexico, Aaron realizes that he cannot run from the war and the two of them decide that they should get married before he departures. Meanwhile, Maya automatically assumes that Jabari has been using marijuana when she finds it in her home. Also, Lynn reaches another milestone in her music career, but she doesn't feel comfortable celebrating because of Joan and Aaron's problem.

Lynn must decide whether to perform at a rally to raise awareness to save the environment; requested by a student she met at UCLA, named Xander (guest star Quddus Phillipe) or perform at the House of Blues, where her manager booked for her to perform. Meanwhile, After hearing Jabari use the \"b\" word, Maya gets upset with him and Joan enlists William assistance when she hears strange noises coming from her crawlspace. Keesha Sharp and Khalil Kane also star.

Joan holds a fund-raiser to earn money for a holiday party for the support group of relatives for the soldiers in Iraq. Meanwhile, Monica learns of William's holiday traditions.

Maya and Darnell consider adopting a child while a neighborhood meeting presents them with the chance

Maya helps Joan try to reach Aaron's kids, as she tries to read them a letter Aaron wrote to his students. William tries to teach Jabari how to drive