Fever

S1 E3: When a deadly fever grips the town, Doctor Helm's medicine is the only cure. In an ambitious bid to assume power, Captain Grisham steals the antidote, which Montoya desperately needs, and frames the Queen of Swords for the crime. The dark beauty is forced to unmask the real culprit - or watch Marta, Montoya and many of the townspeople die.