I have seen a video on bitcoin. On that video there was a person who had many bitcoins but at that time bitcoins were not so much used so he hidden those bitcoins in a place and made document about where the bitcoins was. But alas! When bitcoins got market he forgot where he kept those and lost the document. I don't know the exact price but it was more than 1 million.
Can you tell me is it a real or fake?
When something has no market value, it's hard to keep it properly since you don't even care much. I haven't watched that video you mentioned, but there have been a lot similar stories about losing private keys, passwords, harddrives, laptops, etc. The thing is there is only one way to prove that your bitcoins belong to you - sign a transaction with secret key. If you can't do that, then your bitcoins aren't yours anymore. So, you can't say if that story true or not, because the owner of bitcoins is not owner anymore. It's not a matter of trust, but rather the matter of impossibility of verification.