For decades, accusations have been made that senior figures among Welsh nationalists were sympathetic towards Fascism during the 1930s and the Second World War - such accusations that would sully the name of any political adversary. In this challenging work, Wales's most prominent political commentator assesses the truth of the historical charges, shedding new light on aspects of Plaid Cymru and its leadership during the period in question, and bringing into the open an important discussion on the political culture of contemporary Wales.