YAU locks up HAP, TUNG and GHOI. He even tells HAP about his 'perfect human being' plan. He even persuades HAP to join him. HAP refuses. SHEK hates HAP a lot. He deliberately let them out of the prison and arranges them to go into the labyrinth. KUEN finds that HAP has encountered some dangers and a strange reaction arises inside her. She hits SHEK and saves HAP, GHOI and TUNG. HAP takes the opportunity to destroy the 'perfect human ?being body'. HAP wants to seize the space rock. However, he is stopped by MING. HAP, GHOI and TUNG escape. YAU finds that his secret has been disclosed. He decides to withdraw and explode the 1ab~ratory so as to destroy all clues. TING FAI examines KUEN and finds that HAP could help her to recover her memory. YAU finds that he cannot control KUEN now, he decides to kill her.