A group of investigators start their dangerous search for the buried Yamashita Treasure on a remote mountain, following a tip from a local eyewitness.
The team continue digging at Breach-6, but have to find another way into the mountain when a potential water trap is unearthed. They conduct a LiDAR scan that reveals a mysterious cave.
The unearthing of a bomb maker leads the team to some intriguing discoveries - and the first hint of treasure - as they draft in an explosives expert to help.
A possible water trap triggered by the team forces them to stop digging. A Navy diver is drafted in to explore the plunge pools and find an entrance.
The team get a breakthrough when they search for a tunnel at the waterfall. They uncover a symbol that could indicate a secret backdoor entrance.
The team battle against a typhoon while trying to prove that the unique formation of rocks they have found could be a secret entrance into the mountain.
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