The four aces investigate the whole Moon Temple and find nothing. Then they surprisingly find some hints on FUNG’s body. KUN meets KIN and tells him that the emperor has found out a way to prove who the murderer is and they decide to destroy the body at night. They then find out it is just a trap.

While the three geniuses are celebrating regaining their freedom, BUN tells them that the Mongolian prince has come to win HEUNG. He raises up two questions, ‘writing in water’ and ‘painting with nothing’ and give the geniuses seven days to solve them. FU and HEUNG go to find the Holy Mount while the other three are busy figuring out the answers. Ink will diffuse into water, so SHUM suggests them to practice fast writing but it still does not work. Suddenly, MING gets inspiration from TING’s pig feet in sweet and sour sauce.… ...