The Rift (1990)

'You Can't Hold your Breath & Scream at the Same Time'

★ 4.7 R 1h 22m Action Horror Mystery Science Fiction Thriller

An experimental submarine with a very experienced crew, the "Siren II" is sent to find out what happened to the "Siren I" after it mysteriously disappeared in a submarine rift. Things go awry when they begin to find things that shouldn't be there...