Fiercelyprotectivesingle-momMeredithHendrickshappenstoalsobethebestcopinherquiettownonLakeTahoe.Whenablack-marketexoticspeciesdealernamedClint,isparoledfromprison,somethingheletloosebeginstomakeitspresenceknown.Swimmersandland-loversalikebegintobecomepartofthefoodchainatanunbelievablerate.Meredithandthenewmaninherlife,abiologistnamedPeter,begintoinvestigatethesebrutalattacksanddiscoverthattheyrenotjusthuntingoneeatingmachine,butawholefamilyofthem.Afteradocumentarycrewisdevouredwhentheydonttakethethreatseriously,itsuptoMeredith,Peter,andtheunlikelyhero,Clint,tostopthemostdangerousthingontheplanet:Amotherprotectingitsyoung.Noteveryonewillmakeitoutalive,butthosewhodowillneverforgetthissummeratSharkLake.