You lied about your background, and you lied about your age. Heck, you even gave a false name. And with not much ado they made you apprentice to the Thieves' Guild.
The easy life beckoned: picking pockets 'round the merchant quarter, the occasional roof-top burglary - all for a solid tenth of the profits...
Instead the Guild Master took you aside, hinting of a certain "item" he wanted retrieved. Something out of the ordinary; a "key piece in the puzzle of restoration". With promises of due reward and recognition, he coerced you into a weeks-long journey down the south coast.
And now, after a final night's travel by boat, it seems you've arrived at the location of a long-intended plunder...