The true story of the Irish national Maureen Kearney (Isabelle Huppert) - head trade union representative-turned-whistleblower of a French multinational nuclear powerhouse. After denouncing top-secret deals that shook the sector, Kearney’s life is suddenly turned upside-down when she is violently assaulted in her own house. 

The investigation is carried out under pressure, but new elements create doubt in the minds of the investigators. At first a victim, Maureen becomes a suspect. From acclaimed writer/director Jean-Paul Salomé and based on the book by Caroline Michel-Aguirre.