It was a time of war, The First Order was going against the New Republic, specifically Jedi, and while you were so luckily visit the market on Jakku, there was a large bounty on a BB-Unit droid that had the map to somewhere

So while your walking around a swarm of stormtroopers come combing through the area, questioning locals.

but suddenly a tussle breaks out, gun shots are fired, and you see a trooper sink to the ground conveniently right in front of you, he groans in pain