Sure... no spoilers...
Carrie becomes pregnant and gets worried about a possible miscarriage. Miranda and Steve break-up but eventually reconcile after a few months. Sam leaves Smith because she loves herself more, and add a sexually-frustrated dog to the equation! And Carrie and Big were to have a great wedding at the New York Public Library but Big has doubts, Carries becomes devastated, and goes with the girls on her supposed to be honeymoon in Mexico! And months later they get married by a judge!
Ok... no spoilers...