You'd do anything to stay out of jail. But if that's the kind of pay the guard wanted, the perpetrator has to do his best. And so this guy fucked her well, fucked her in all positions, so that the guard herself has wanted to taste his cock. And the ending on her belly completed the payoff. All debts had been paid. Here comes the long-awaited freedom.
The girls are caught stealing and they're outraged! The guard took pity on them. They wouldn't have seen his dick in prison for years. Kind uncle - he took care of both sisters and gave them warm milk.