Monty Halls braves the rip currents off a remote Japanese island to investigate claims of a lost civilisation sunk beneath the waves. Are the underwater terraces, archways and giant head evidence of a Japanese Atlantis or just an extraordinary natural rock formation?
Most of the world's great unsolved mysteries are covered by water! On that tantalising note, Monty Halls explores four stories that have baffled the diving world. Monty travels to the most mysterious underwater locations on earth, meeting sceptics and believers, diving at the cutting edge of technology, to tease the truth out of ghost ships, sunken worlds, ancient legends and lost treasure.