Thirteen-year-old Roxy Ran is in in Year seven, has a secret crush she is desperate to keep secret, an older sister who drives her crazy - plus the school bully to deal with. Roxy could be any girl… but she’s not. Roxy Ran is the White Warrior, an awesome invisible ninja with fighting and flying powers; and the bullies she deals with are Samurai assassins.

Roxy’s sister Elecktra has always been a great magician, but when she shows off her magic tricks at school the town of Lanternwood begins to transform. The streets take on a sense of Samurai and the ninjas are no longer safe.

There is an enemy lurking in Roxy’s home and it soon becomes clear that the White Warrior is about to meet her match, the Red Samurai.