In the ground, there's a grocery run by Mr. Senén, a distrustful and stingy man who's always cheating on his clients with the weight and genuineness of his merchandise (though sometimes he does get his comeuppance).
Underground, a grocery store is run by Mr. Senén, a shady and penny-pinching individual who often deceives his customers with false or counterfeit products (though he occasionally faces the consequences of his dishonesty).