King Richard II of England is dead. After three year's in His Majesty’s service, Rhys ap Tudor and his brother Gwilym are finally free to return to North Wales. The new king, Henry IV, rules with an iron fist, and the country is ripe for rebellion. The proud Tudor brothers enter the fight for their freedom. The daughter of an English father and a Welsh mother, Catrin Buckley is alert to the unrest swirling around her.