The Alien Within (1995)

Plot

On an undersea mining platform, the crew confronts a terrifying threat when a sinister parasite infiltrates their ranks. This entity not only infects physically but also manipulates minds, sowing paranoia and distrust among the survivors. As the team grapples with the growing uncertainty of who remains untainted, tensions mount, and alliances fray. With survival at stake, they must navigate a treacherous environment where anyone could be their enemy, leading to a gripping battle against both the parasite and the unraveling of their own sanity.