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 … Jack Scalia, R. Lee Ermey, Ray Wise, Deborah Adair, John Toles-Bey, Ely Pouget, Emilio Linder Added on Amazon Prime 2023-09-27. Youtube Trailer