Harrison loves going to karate class at Mr Sato’s dojo. His only problem are the twins, Lauren and Jonny. They’re bullies. But then he sees Mr Sato fight two men in dark glasses, and Mr Sato’s jade lotus sculpture goes missing. What is happening? Miki, Mr Sato’s granddaughter, asks Harrison to help her find the jade lotus. Can they solve the mystery together?Recording in British English