The Rift (Endless Descent) is a 1989 film directed by Juan Piquer Simón and starring R. Lee Ermey involving a submarine rescue that goes awry. It is one of many underwater-themed movies released around 1989, including The Abyss, Leviathan, Deepstar Six, The Evil Below and Lords of the Deep.
An experimental submarine, the "Siren II", with an experienced crew is sent to find out what happened to the "Siren I", mysteriously disappeared in a submarine rift. Things go awry when they begin to find things that should not be there...
The movie currently holds a rating of 3.7 on IMDb.
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