OnherfinalcombatmissionacrosstheruggedmountainsofAfghanistan,RoyalAirForcefighterpilotLt.KateSinclair’sjetisshotdownoveroneofthemostdangerousrebelstrongholds.Wheninsurgentscomeafterheratthecrashsite,shefindsrefugeinalongsinceabandonedundergroundbunker.AftertrackingSinclairintothedepthsofthebunker,theinsurgentsaccidentallyawakenaman-madedeadlybiologicalweaponknownastheRavagers-halfhuman,halfalienandhungryforhumanflesh.Terrified,shewatchesthecreaturesripapartthemenpursuingher.SinclairbarelyescapesandispickedupbyaUSarmypatrolsenttofindher.MajorRoyFinch,commanderofthelocalUSarmyoutpost‘FortApache’,andhisragtagsquadofbravesoldiershaveadifficulttimebelievingmutantmonstershavebeenkepthiddeninthesemountains.Unawarethatshehasbeentrackedtotheirbase,dozensoftheviciouscreaturesarealreadyswarmingtowardsthem.

孤海寄生这部紧张的恐怖电影发生在荒凉的北海，一群工程师发现他们不是唯一呆在废弃的石油钻塔上的生物。由克里斯汀·汉森博士领带领的工程人员们必须与想将他们变成盘中餐的可怕寄生怪物对抗.