Neutrality has, supposedly, long been a pillar of the Irish national identity – a policy that the country has proudly presented on the world stage. But, examining the concept reveals it to be a vague and elastic notion – one that, throughout history, various governments have been happy to stretch or, in some cases, abandon entirely. Today, warfare has expanded to include cyberattacks, environmental concerns, election interference and disinformation. If our traditional idea of warfare is changing, should our idea of neutrality change too? In this timely and thought-provoking examination of a core tenet of Irish society, Conor Gallagher explores the practical and ethical implications of choosing a side, asking: in the face of aggression, is it right to sit back and do nothing?