After the death of her husband, food blogger Hollis Shaw brings together four women from different chapters of her life for one weekend at a Nantucket beach house. Her friends include Tatum, a childhood confidante battling a health scare; Dru-Ann, a sports broadcaster entangled in scandal; Brooke, a lifelong friend struggling with marital and personal doubts; and Gigi, a woman she met online through her blog. As the women confront their own crises against the backdrop of the island's summer season, they rediscover what friendship truly means.