After his honeymoon, Guybrush Threepwood required the deed to the the Governor's Mansion on Melee Island to clear up an order to demolish it. The deed was kept amongst the Marley Heirlooms which were stored in the bank vaults. While he was looking through the "junk", a mysterious thief disguised as Threepwood locked the him in the vault, stole the heirlooms, and framed him with robbing the bank.