In the deepest, darkest cold-water cave system in the world, a reluctant hero explores a dangerous obsession.

Having achieved worldwide acclaim for his crucial role in the death-defying rescue of a young Thai soccer team, Richard “Harry” Harris embarks on a perilous new cave diving expedition that will push the limits of adventure and force him to confront his deepest fears. From a BAFTA and EMMY nominated writer, director and producer."
 
 1h 45m