Directed by Juan Piquer Simón | Starring: Jack Scalia, R. Lee Ermey, Ray Wise, Deborah Adair

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.

IMDb The Rift movie posters