Shampoo's spurned suitor Mousse wants revenge, and to that end, he's kidnapped Akane, and made her the star attraction of a circus act that promises to have her transform--thanks to water from a certain Chinese spring--into a duck! Then, mailbox-impersonating weirdo Tsubasa arrives in town in pursuit of Ukyo's love!
Shampoo's spurned suitor Mousse wants revenge on Ranma for "stealing" the object of his affection. He's kidnapped Akane, and made her the star attraction of a circus act where she turns into a duck.
— Description from Comic Vine community (comicvine.gamespot.com).
