During a routine medical exam, Héléna (Annabelle Hettmann), a student in anatomical drawing, meets Benoît (Thibault Vinçon), a young radiologist. Their shared obsession with the human body quickly sparks an intense romantic relationship. However, their intimacy escalates into an obsessive and dangerous dynamic: Benoît's compulsive desire to inspect and scan Héléna's internal organs using medical imaging equipment pushes their connection into a dark, risk-filled physical territory that tests the limits of their psychological stability.