It's been ten months since Jack died, and Sandra, a tightly wound academic, copes with her grief by immersing herself in the history of textiles. When she and Martha, a gifted knitter, meet over an unconscious body on the footpath, the unlikely threads of their lives tangle into each other. Sandra invites Martha to join her in a professional collaboration, but what begins as a working relationship becomes something deeply personal. Martha seems at ease with herself, in spite of her own experience of grief. But what does she carry around in those three large bags?