I'm a little confused here. No matter what setting, lore etc that I use, it's my job as the DM to come up with the Adventure Hooks. First thing I work with players and make sure I understand who the players are in game an what they want. Then it's easy to come up hooks. Some games that a little harder some it's just they are greedy, or glory seeking adventurers. The hook can just be they are broke and can't even afford a room at the inn. Go get a job. They could play a card game and walk off with an artifact that's been lost for a century. Or the game could start right after they were ambushed and their party "leader" an NPC was killed, que the quest for revenge. If you get stuck there are tons of ideas all over the internet. I've started games with low level PC's escorting farmers to the big city to sell the years crops.
The other option is drop em in a sandbox and let em explore and find something to do on thier own, but that can be very frustrating for DM and players. It helps if Players know the setting fairly well, the DM needs to be very good at ad libbing and PC's need to be flexible , otherwise you can end up with games where nothing happens because both sides are waiting on the other to give them something to work with.
The other option is drop em in a sandbox and let em explore and find something to do on thier own, but that can be very frustrating for DM and players. It helps if Players know the setting fairly well, the DM needs to be very good at ad libbing and PC's need to be flexible , otherwise you can end up with games where nothing happens because both sides are waiting on the other to give them something to work with.