An American man awakes in a hospital just to learn about the zombie apocalypse.

The Nereus is a fifty-year-old Ice Breaker, salvaged by an idealistic crew on a mission to catch illegal fisherman. On chase, the crew find themselves well off-course and bearing down on a body mysteriously floating in the middle of the Devil’s Sea. Superstitious or not, the team soon discovers they’ve rescued a deadly creature feeding on the lifeless body. Their new mission—kill or be killed and preferably before they hit land.

In the near future, glacial melting has covered 98% of earth’s landmass. Sharks have flourished and now dominate the planet, operating as one massive school led by a mutated alpha shark.