This 52-minute documentary delves into the crucial role of whistleblowers who challenge societal norms and expose risks to human and environmental health. From historical crises like Chernobyl and the asbestos scandal to emerging threats, the film highlights how whistleblowers including researchers, activists, and politicians question blind trust in technological progress and advocate for applying the precautionary principle. Key figures include researchers like Pierre Meneton, scientists like Jacques Testart, and politicians such as Corinne Lepage and Michèle Rivasi. Their work sparks scientific, political, and legal controversies, aiming to protect humanity and the environment from further degradation