Male diver attacks female diver and cuts her air hose!

It’s time for a special clip. A female diver enters a cave, but she’s not alone, someone following her and is attacking her from behind….

(click to enlarge)

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Here is the video:

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Well I love that scene, but two things bother me:

1) the video quality (picture) is pretty bad

2) I wanna see what happens berfore and after that clip, never got the chance of seeing more….

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The clip is from the Show “Eye of the Storm”, a british TV-Series. Does anyone knows where I can get that?