Carly's nemesis Nevel invites the group to his wedding, but Carly suspects that the bride isn't what she claims to be. Harper and Spencer wager on who can collect the most phone numbers at the wedding.

Carly makes plans to spend her birthday alone in an attempt to stave off her dreaded birthday curse, but Spencer has different plans. Freddie tries to recapture his youth. Harper's idol leaves her awestruck.

Carly and Harper's search for a better workspace leads them to a private women's club where the leader is charismatic and demanding. Freddie enrolls Millicent in the Sunshine Girls, but she instead mobilizes the kids into workers for her cupcake empire.

A new powder supplement seems to have instant benefits for the group, but Freddie's devotion to the product puts his future at risk after Carly discovers it's a midlevel marketing scam.

Carly hires a matchmaker to help Spencer find someone to settle down with, but when he falls for the matchmaker instead, Carly must convince her that Spencer is her type. Freddie is ready to move out on his own, but it won't be easy.

Committed to rebuilding their friendship, Carly and Freddie team up to recreate some of their favorite memories after all of Carly’s photos and videos are erased from her phone.