A young American boy, Roy Wallace (Kevin Novotny), knows that his dad (Patrick Bergin) is Irish yet never thought he would be spending his precious summer vacation in a tiny fishing village in Ireland.  He feels a long way from home but before long, unexpainable events begin to occur and murmurs of ghosts sweep through the village.  Determined o solve the mystery and disprove the supersition of the villagers, Roy takes on the case.  When all signs point towards the sea cave, Roy faces his fears and discovers the "Secret of the Cave."