After a devastating loss and a very public breakdown, Hollis decides to host a five-star weekend at her house on Nantucket, with three friends from three phases of her life, plus a brand-new one.

Hollis' stars want her to deal with her grief, but all she wants is a dance party. Gigi's secret weighs heavily on her. Caroline runs into her high school crush. Tatum gets a voicemail from her doctor, pushing her to reconnect with Hollis.

Dru's cancellation gets real; Tatum and Jack reminisce. Gigi and Brooke connect.

The stars go to the spa for some relaxation and it's anything but. Dru and Tatum's history emerges.

Hollis finds out Caroline's secret and reaches a breaking point. The stars hit the town.

Brooke's marriage troubles show up on Nantucket. The stars come together and rally around Hollis.

Hollis doubles down on her itinerary; the stars open up to each other. Caroline befriends Gigi.

The stars confront major life decisions. Hollis learns the truth about Matthew.