After a criminal motorcycle rider is put to death, he comes back from the dead to seek murderous revenge against the residents of a Florida town.

救救加灣鼠海豚！因石首魚的魚鰾可製成名貴血花膠，漁民利用刺網非法捕獵，活在同一海域的加灣鼠海豚亦連帶遭殃，正瀕臨絕種只剩十五條。要打擊濫捕濫殺殊不容易，對手是墨西哥毒梟與中國走私集團，視血花膠如海中的可卡因。科學家、新聞…