Zen, an autistic teenage girl with powerful martial arts skills, gets money to pay for her sick mother Zin's treatment by seeking out all the people who owe Zin money and making them pay.

JeeJa Yanin
as Zen

Hiroshi Abe
as Masashi

Pongpat Wachirabunjong
as No. 8

Taphon Phopwandee
as Mangmoom

Ammara Siripong
as Zin

Dechawut Chuntakaro
as Priscilla

Hiro Sano
as Ryo

Aroon Wanasbodeewong
as Ice Factory Owner - Iceman

Anusuk Jangajit
as Candy Shop Owner

Nattakit Teachachevapong
as Pork Man