Those Who Came Before

In a race against time, Drake and Yukiko are diligently preparing the floating city of Atlantis to welcome three million refugees, but their efforts are met with a series of daunting challenges. Amidst uncertain responses from the Jontihem and the mysteries surrounding an ancient alien facility on the sea floor, they confront powerful artifacts with unknown purposes. As secrets about the facility and its creators, Those Who Came Before, come to light, Drake must navigate threats from The Authority while uncovering whether the alien structure has its own defenses.