It is 1911, and Jean is about to join the mass strike at the Singer factory. For her, nothing will be the same again.
Decades later, in Edinburgh, Connie sews coded moments of her life into a notebook, as her mother did before her.
More than 100 years after his grandmother's sewing machine was made, Fred discovers a treasure trove of documents. His family history is laid out before him in a patchwork of unfamiliar handwriting and colourful seams.
He starts to unpick the secrets of four generations, one stitch at a time.