The Smiling Proud Wanderer S01 E18 Episode 18

LING ran into QUIN at Foochow and begged for QUIN's pardon which got turned dawn. On the depression, he found out that it was the 'Ko Shan Clan' stole their secret documents. He wanted to tell the truth to the 'Wah Shan Clan' yet no one believed him and accused him to be the suspect.