In the Summer of 2024, Paris is hosting the World Triathlon Championships on the Seine for the first time. Sophia, a brilliant scientist, learns from Mika, a young environmental activist, that a large shark is swimming deep in the river. To avoid a bloodbath at the heart of the city, they have no choice but to join forces with Adil, the Seine river police commander.
Sous la Seine, Under Paris, En las profundidades del Sena, Sob as Águas do Sena, Sub Paris, Cápák a Szajnában, Hajar i Paris, Hajer i Paris, Im Wasser der Seine, Paris'in Altında, Pod Parizom, Rekiny w Sekwanie, Žraloci v Paříži, Στα βάθη του Σηκουάνα, Акулы в Париже, У глибинах Сени, セーヌ川の水面の下に, 塞纳河畔, 巴黎深淵, 巴黎深渊