A mysterious martial artist arrives at Furinkan High looking to settle a score with Ranma. Later, the school becomes a battlefield.

P-chan goes missing and shows up in the arms of a famous martial skater, who refuses to return him. Enraged, Akane challenges Azusa to a battle.

Shampoo's shiatsu technique and magic hair wash have erased Akane's memory of Ranma. The Chinese Amazon offers a cure — but she has an impossible request.