Carrie and Mr. Big have their first official "date", but Carrie suspects Mr. Big is keeping her secret from his social circle. Miranda dates a man from her gym class, but she discovers a spanking video in Ted's apartment.

Mr. Big tells Carrie he's never going to marry again, which unsettles her. Miranda introduces the friends to the Rabbit, a mechanical aid, and Charlotte becomes addicted. Stanford Blatch proposes to Carrie as a cover, so he can inherit his part of the family fortune.