Yamashita: The Tiger's Treasure (2001)

In World War II veteran Lolo Melo enjoys regaling his grandson Jobert with war stories, one of which includes Lolo's participation in burying the famed Yamashita treasure. When Jobert heads to Manila to unearth the cache, little does he know that he has competition: A shadowy G-man and a soldier of fortune are also in pursuit of the loot.