story of an ex navy seal who be now a combat medical officer assign to a state of the art russian sub with a nurse . this be to answer a call for help set off by a die member of the original crew . the sub have be overtake by terrorist who be bend on destruction . so we see the duo try and gain control back . and this happen with the fear of the u naval force be about to unleash everything it have get on the terrorist sub to prevent it from launch it arsenal . be careful of the early explicit sexual scene in the first quarter of the movie . a couple of unexplained scene towards the end . watch it when you have the time . nothing to miss out even if you let the show run while you go get yourself a cup of coffee represent slow moving .