At a birthday party, a group of friends make a pact about changing their approach towards relationships to focus more on sex than commitment to a suitable partner.
Miranda and Skipper take their relationship to the next level. Carrie discovers that her modelizer friend records his conquests with women behind their backs.
Upon receiving an invitation to a beach house, Carrie finds herself in a series of uncomfortable encounters, from a host who goes around without his undergarments, to a potential suitor who wants to rush to the alter. Miranda's celibacy gives the wrong idea about her sexuality.
Carrie and Samantha go out of their comfort zone when they go out with younger men, but they soon come to discover that things are not as good as they thought them to be.
A meeting with a familiar face leaves Carrie to navigate the shocking aftermath of a sexual encounter. Charlotte makes a daring decision to allow an artist to paint her body parts for an exhibit.
Carrie entertains doubts about how Mr. Big is keeping their relationship a secret from his friends. Miranda makes a shocking discovery about her new date.
Upon learning that Mr. Big is a polygamist, Carrie is forced to reevaluate what she wants from their relationship. Charlotte struggles to embrace her new boyfriend's sexual desires.
Carrie learns that Mr. Big's sexual experience far surpasses her own. Miranda makes a shocking decision to join strangers for sex. Samantha reckons with an unexpected offer from her latest date and his wife.
As Mr. Big drops a shocking revelation on Carrie that could spell the end of their relationship, she has to contend with a surprising proposal. Samantha steps in to make a style-challenged bachelor into a catch.
While attending a baby shower, Carrie considers the prospect of becoming a mother. Charlotte worries that she will never get her dream family.
Carrie reflects on the change in her relationship with Mr. Big after their physical intimacy dies down. Samantha battles her desire for her celibate yoga instructor.
Mr. Big's continued evasion to introduce Carrie to his loved ones forces her to make a choice about their relationship. Samantha is torn between her feelings for James and her sexual urges that he is unable to satisfy.