The series revolves around Christine, a woman divorced from her ex-husband, Richard, who she still considers her best friend. Christine tries to change her life and start a new one by moving in with her family again.
Christine and Richard reunite in the second season, but it's more for practical reasons than love. After that, Christine starts seeing an older guy, whom she later learns is the father of New Christine. Richard's and New Christine's romantic relationship becomes rekindled by this circumstance.
Christine's adventures continue in season 3, as she and Harris have a peaceful and simple relationship until she becomes preoccupied with her life, leading to trouble.
In the fourth season, Christine tries to keep Barb away from the danger of deportation, but their plan is exposed and Barb is imprisoned, while Richard and New Christine agree to marry, but it fails due to her jealousy of Christine.
In this season, Richard tries to win Christine's heart again, and moves into a new apartment with Matthew, while Christine falls in love with her therapist.