When the illegal mining operations of a shady corporation disturb the mysterious ocean floor, Jonas Taylor, a veteran deep-sea rescue diver, and a research team uncover a terrorism beyond imagination. Five years after his first gruesome encounter with the unstoppable Megalodon in “The Meg” (2018), Jonas must now once again face an old and ferocious enemy. But the enigmatic depths of the sea hide terrifying prehistoric secrets, ready to surface. Will Jonas be able to handle what emerges from that depth?