Across follows a war crime case in Yemen to show how a war is forgotten by another war with lacking accountability. Cannelle, a human rights lawyer at ECCHR in Berlin works on a war crime case in Yemen. Despite the clear evidence, holding the European arms exporters accountable is not an easy task. STOP RWM, an anti-military group in Sardinia seeks to tackle a weapon factory on their island, RWM, a subsidiary of RheinMetall, for being involved in a civilian killing case. Jamal, a Yemeni refugee in South Korea, films himself striving to survive with his family in an xenophobic country.