Paris thought the nightmare was over. The waters were calm, the city had moved on, and the horrors lurking beneath the Seine had faded into a distant memory. But nature doesn’t forget… and neither do the monsters that now call the depths their home. In Under Paris 2, the terror resurfaces—bigger, faster, and more intelligent than ever before. Sophie, a marine biologist who barely survived the first attack, knows the truth: what they faced before was only the beginning. The predator that haunted the city was never alone. Something far worse has been evolving beneath their feet, an entire ecosystem of apex hunters waiting for their moment to strike. The fragile balance between mankind and nature has been shattered, and Paris is no longer just a city—it’s a battlefield. As disappearances increase and the Seine runs red once more, the authorities scramble to respond, but this time, conventional weapons won’t be enough. Commander Leroux leads a desperate military operation into the depths of the Parisian tunnels, only to find that the enemy is more than just a single creature—it’s an army. Dr. Alain, a shark researcher, uncovers shocking evidence that these predators have adapted in ways beyond imagination. They aren’t just hunting for food… they’re hunting for dominance.