Detective Investigation Files - Season 2 Episode 9

KEUNG is the only one who knows Chinese medicine and the use of needles. YI is aware of the unnatural response of KEUNG's wife PING. He follows her and finds HO being locked up in a deserted warehouse. PING is going to deliver a baby. YUNG sends her to hospital and tries to contact KEUNG. He cannot find KEUNG as KEUNG has gone to Devil Hill with YI. YI and KEUNG are good brothers. YI tries to convince KEUNG to surrender himself to the police. He does not know that his life is endangered. SAI, CHOI and TSUI are KEUNG's colleagues. They try to kill YI. YUNG comes and fires his gun. TSUI is so afraid that her gun hurts SAI. She and KEUNG run away. KEUNG is arrested. He goes to the hospital and he finds that his wife is safe. He tells the police everything about the case. SAI dies as he has been injured seriously. TSUI kills herself as she feels guilty. CHOI is arrested.