Tigress catches River Fever, a deadly disease that can only be cured by the rare sun orchid found in the Valley of the Scorpion. Unaware of the danger that lies ahead of them, Po and Monkey set out to find the orchid, but Monkey is caught and brainwashed by the evil Scorpion. Po must now find the orchid and fend off his brainwashed friend before Tigress dies.
Villain: Scorpion
Note: A sequel to this episode, Love Stings airs later in the series.