Two friends, forensic experts, with their own everyday problems, dream of a decently paid job that would give them the opportunity to live a normal life and “raise” their children. Suddenly, their dream begins to come true - they are invited to work at the Anti-Terrorism Center of the SBU, where they are investigating mysterious deaths due to a virus unknown on Earth. Before the friends have time to cope with this problem, the world is overtaken by water Armageddon, which happened as a result of the launch of a spaceship from the bottom of the ocean of the aliens, the progenitors of the Earthlings. The friends are faced with a choice: try to save the planet, since one of their colleagues has such an opportunity, or die along with everyone else. But the cost of trying to save humanity may be prohibitively high...