Here is a more direct link to just the trailer on apple.com:
http://www.apple.com/trailers/mgm/in...lue/large.html
This is Paul Walker's typical "safe" summer entry for the teen crowd. It is almost like a remake of "The Deep" in a lot of ways and I'd bet 10 to 1 that is where the inspiration came from, if it isn't an out-right remake since I haven't researched this film yet.