The critically acclaimed hit drama series follows David Stirling (Connor Swindells) and Paddy Mayne (Jack O’Connell) in a dramatized account of how the British Army’s Special Air Service (SAS) unit was formed in the darkest days of World War II. In the second season, facing the threat of disbandment, SAS Rogue Heroes will see the unit trying to once again prove their significance. However, a surprise ally is found in the uptight and formal brother of David Stirling – William (Gwilym Lee). Will the fiery Paddy Mayne finally conform to following rules in order to protect the future of the unit, or will his dislike for authority be too significant an obstacle?