
"Old Christine" (Julia Louis-Dreyfus) is a divorced mom who has a handle on her career and motherhood -- and a pretty good relationship with her ex-husband -- until he introduces his new girlfriend, a younger woman, also named Christine. Old Christine lives with her son and her brother, and runs a gym, and her life is a constant struggle to keep up with everyone else.

When Christine figures out Richard has been hired to remodel Lindsay's bathroom, she goes to any length possible to make sure he doesn't screw up the job.

Christine tries to stay sober at her friend's wedding, but has a hard time keeping her mouth shut nonetheless.

Christine, Richard, Matthew and Barb test one another's boundaries while following Ritchie to his school's camping trip in the desert.

Christine realizes that a reckless evening may have jeopardized her chance to begin dating Mr. Harris.