Sharpe's Enemy (1994) on Netflix

Plot summary

In 1813, a mixed band of British and French deserters has taken a village in the mountains under two leaders, Obadiah Hakeswill and the renegade Pot-au-Feu. They hold two women there: Lady Isabella, whose husband Sir Augustus Farthingdale serves as England's envoy to Portugal, and Sarah, married to the French Colonel Dubreton. Sharpe brings the ransom for Lady Isabella; Dubreton brings his own payment. Asked how she is, Sarah replies with a verse of poetry. Hakeswill breaks the agreement, demands twice the money and gives the two men five days to raise it. Wellington decides the desertion must be crushed before it spreads through his army.