Shan starts a quarrel with Master Chin in the brothel. He then makes a bet with Chin and claims that he can make himself invisible on the street. On the next day, Chin finds that Shan is walking naked on the street but nobody seems to discover him... Leung tries to investigate if Tiger has the scar of her rescuer. Bun reveals to Shan that he had rescued Leung when she was just a kid and he requested Leung to marry him in the future. Shan suggests Bun cover his scar by Japanese tattoo but Bun cannot bear the pain. In order to solve the "problem", Shan and Bun set up a plan. They get Tiger drunk and ask the tattooist to draw the "scar" on Tiger's body. During the kung fu contest, Leung discovers Tiger's "scar". (Source: tubitv)