MAN was compelled to give out the film as he was afraid that KIT might hurt FAI. KIT brought KEI the film in order to save SHAN. KEI intended to kill them by exploding the taxi they were taking. However, they were being saved. YING realized that KEI deliberately hid his whereabouts. In addition, she noticed KEI was always with PONG and suspected he was related to PUI's matter. KEI was very cunning that he had discussion with PONG during car wash so as to prevent from ICAC's eavesdropper. YING tried to search some documents about KEI and PONG's illegal deal in ammunition. However, KEI recognized and changed the details to test her. According to YING's information, KONG went on board to investigate. MAN and FAI were hurt in the boat explosion. YING once again tried to get more accurate information. She went to KEI's place and was caught. KEI brought her to PONG and killed her at the pier……