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. 不久的将来，冰川融化覆盖了地球98%块陆地。鲨鱼已经蓬勃发展，现在主宰了这个星球，它作为一个由变异的阿尔法鲨鱼领导的庞大学校运作。