if you be a bit masochistic and like to waste some time you should try this one . i waste enough time myself watch it and so i will waste no more explaining why it be so awful . be warn . oh and i see that i have to fill 10 line or more . here we go represent every year or so some people think it be fun to start shoot a low budget film about the scary monster of the underground and that hopefully will prove to be some sort of a hit . the cavern be one of those . i do not have high expectation about this one but the acting be so bad and the production so poor that i be seriously think of ask for a refund . phewww . one more line about a useless movie . oh and i be do .