Lin (Sanne-Samina Hanssen), an intense and disciplined long-distance swimmer, is training rigorously for a grueling cross-channel swim. Her life shifts dramatically when she meets Henri (Kevin Janssens), a deep-sea welder who shares her appetite for danger and risk. The two fall into an all-consuming, volatile love affair. However, as their physical and emotional intensity deepens, unresolved childhood trauma and destructive psychological patterns resurface, turning their passionate relationship into a toxic, high-stakes battle between love and self-destruction.