To celebrate Abbi’s 30th birthday, Abbi and Ilana travel from the top of Manhattan to the bottom, running into old and new friends along the way.

Ilana embarks upon her latest moneymaking opportunity when she opens an outdoor workspace for New York City smokers; Abbi stands up to her landlord after he refuses to update her plumbing.

Ilana visits an old flame to cash out her share of Bitcoin; Abbi drops off her laundry for the first time and loses her favorite sweatshirt.

Ilana discovers a terrifying secret about Jaimé; Abbi tries to make the jump from sweater-folder to window artist at Anthropologie.

Abbi gets invited to a fancy art event at MoMa; Ilana and Lincoln have their one year relationship check-in.

The girls meet Ilana’s 16th cousin – who is a Holocaust survivor – and take him to a drag brunch; Abbi tries out a new look.

Ilana gets recruited to be a hair model; Abbi’s new flame tells her that she’s not mature enough.

Abbi and Ilana visit "Sleep No More," and Abbi tries to find the right time to tell Ilana some life-changing news.

Abbi, Ilana and Bevers sell Abbi’s New York City belongings; Abbi gets tickets to a Lil Wayne concert, and the girls take a “trip.”