This novel about the relationship between a grandfather and his grandson touches on Wales's relationship with slavery, and discusses how to acknowledge the horrors of history in a sensitive way. After exploring the family's ancestry, Elis and Taid journey to Virginia, USA to tread in the footsteps of Edward Powell.

Nofel yw Powell am berthynas taid a'i ŵyr sy'n cyffwrdd ar berthynas Cymru gyda chaethwasiaeth, ac sy'n trafod sut i gydnabod erchyllterau ein hanes mewn ffordd sensitif. Ar ôl archwilio achau'r teulu, mae Taid ac Elis yn mynd i Virginia yn yr Unol Daleithiau i aildroedio llwybrau Edward Powell.