I'm here to collect the debt

The bald man was humming a little tune while cleaning the table, thinking happily about the limelight he had just had.
Unexpectedly, he was hit on the head by a slap, and he bumped his head forward onto the table, almost breaking his nose.
"Damn it, you're looking for death!"
The bald man rubbed the bump on his head, turned around and roared.
Everyone knows that he is the foreman of Jiuxin Pharmacy, and he has more than a dozen brothers under him. On the surface, they are employees...