It’s finally summer at the Jersey Shore and Ruby and Ward Sutton are thrilled to reunite with their cherished friends, the Nelsons and the Rivas. Ruby reveals her new business, a stiletto shoe line, but is quickly usurped by Lucy Hall, who has created a nationwide wellness craze with her program Obsessed! As Lucy and her husband, Brian, become entangled in their cozy neighborhood, rivalries emerge, marriages are challenged, and loyalties are tested. When Lucy is stabbed by a stiletto at Ruby’s launch party, everyone becomes a suspect and once the accusations begin, nothing will ever be the same.
Pat and Jasmine Nelson are reeling from the repercussions of COVID. Pat's restaurant has failed under the weight of social distancing restrictions while Jasmine has been elevated to a partner at her law firm. Their marriage is already shaky as Pat's sister, Lucy, is launched into superstardom with the success of Obsessed! Pat, accustomed to being the star, is resentful when the two women he is closest to outperform him.
Despite Aubrey and Tony's opulent lifestyle, they are struggling to find purpose. Lucy inspires Tony to want more for himself, leaving Aubrey feeling lost. As Tony’s infatuation grows, Aubrey begins unraveling. Soon secrets surrounding the early days of their marriage come to light igniting old jealousies and long-standing friendships are questioned.
Finally, Ruby, the self-proclaimed savvy social director of her neighborhood and the rest of Beach Haven, finds Lucy threatening the hierarchy she has masterfully established. Lucy is younger, prettier and wealthier and soon the entire town becomes obsessed with Obsessed!. As Lucy pushes each of them to challenge themselves, they attempt to passive aggressively put her in her place one Stiletto Dig at a time, but sometimes words just aren't sharp enough.