Confidentiel (Confidentiel)

On a quiet secluded beach in eastern Long Island's North fork, a body is discovered, washed up and hidden amongst the seaweed and other discarded detritus, to be found by a dog-walker in the coarse and rocky sand of this otherwise picturesque and idyllic place. A pair of police detectives are horrified and set out to solve the case and wonder 'who could have done such a thing'?