Planet of the Sharks (2016)

In a world where the polar ice caps have melted due to global warming, the Earth is now covered by water. The remaining survivors build floating cities and try to survive in this new dangerous world. However, their lives are threatened by a new apex predator - sharks. The sharks have mutated and become intelligent, hunting down any remaining humans. As a group of survivors embark on a dangerous journey to find dry land, they must face the ultimate threat - the planet of the sharks.