The story of Rhys Gruffydd, from Tregraig in Arfon, and what happens after he accepts a job with a new, ambitious company, 'Cwmpas Cymru', which aims to revive the Welsh economy during the recession of the 1980s. But it soon becomes clear that nameless enemies want to undermine the plan and ruin the work of Cwmpas Cymru; and the troubles threatens the safety of the public, Rhys and his team...