dddThemonster,whichlookslikeanastierversionofTheCreaturefromtheBlackLagoon,invadesasleepylighthousetown.Thesuperstitiouslighthousekeeperisworriedforthesafetyofhisbeautifulteenagedaughter,soheleavesfoodforthemonster,whodwellsinanearbycave.Whenbodieswashupashore,thelocalstakenotice.