Gracie Andersen is up to her eyebrows in wedding details when her mother, Theresa Clark concocts an intervention for a friend who's become a hoarder. Just as Gracie's plans for a casual outdoor wedding turn into a literal pipe dream, Theresa stumbles into a mystery surrounding a stolen heirloom quilt. A death in the hoarder's garage only complicates matters, and Theresa convinces Gracie to help her find answers to the surreptitious activities on Oak Street. If that wasn't enough, Cousin Isabelle is scheming to commandeer the wedding, and Marc is having second thoughts about his career path. Everyone is on, you guessed it-Pins & Needles.