影片简介Yearsafterhisparentsarekilledbyamegalodon(anenormoussharkthathassupposedlybeenextinctformillionsofyears),Dr.Spencerisobsessedwiththeideaofhuntingdownandkillingthemonster.He'sassignedtoinvestigatethedestructionofanundersearesearchstationwiththecrewoftheArgus,agiantsubmarineSpencerdesignedhimself.