Furious at being prevented from accompanying Akane to the hot-springs, Happosai decides to recover the scroll containing his most deadly attack - The Happofire Burst - to teach them all a lesson. Ranma is however determined to find it first, and it's a battle of wits as they both try to infiltrate the scroll's resting place - an all girls hot-spring...

Distressed at the frequent panty thefts, the town council turns to their local hero, Soun Tendo, for protection of the town relic - an ancient bra said to contain the ghost of a merciless empress.