2/4 Rolf Harris goes on an entertaining and personal journey to discover more about four artists inspired by Wales and its people. In this episode, he explores the life of the Polish-born Josef Herman - the political artist who fled Nazi-occupied Warsaw and settled in the small mining community of Ystradgynlais in the Swansea valley. Rolf finds out why Herman was so inspired to paint miners as working class heroes, before attempting a painting in his style. However, Rolf's painting doesn't go according to plan.