The world entered the Ocean Era. Ninety-nine Donghuang contestants fell, the team near defeat. Renny, a transmigrator, wields divine decomposition and evolution skill, converting sea objects into resources. He hunts sea monsters, seizes resources, evolving a broken wreck into a ghost bone vessel. Other contestants plot to besiege him, mutant sea beasts appear. Renny turns the tide, crushes rivals with biological vehicles, building his exclusive giant biological sea warship.