It involves a behind the scenes Onion smuggling ring. You see, they're part of the mafia. In FFIII Land onions are illegal but many just can't get enough of that... uh, sweet and stingy taste, so the Onion Masters started smuggling them to the land. Soon suspicion fell on them by the FFIII FDA Association so they became covert. What better way to sneak onions into town than using kids? That's why they fell in the cave. They were smuggling onions at the time. They American translation team felt that the impressionable youth of America shouldn't learn about this "negetive influences" and left it all out.