TV series Word of Honor

Zhou Zi Shu gets embroiled in a conspiracy in the martial arts world after quitting his job as the leader of an organization tasked with protecting royalty. He meets Wen Ke Xing, a mysterious martial artist who escapes from the Ghost Valley to avenge his parents’ deaths. They become fast friends and embark on an adventure to find a legendary treasure that will give its owner ultimate power over jianghu.