S2·E22 Episode 22

However the case has not been solved. LUN was taken away by the girl in red at 8:00 p.m. and she was seen at Sap Shi Heung at 9:00 p.m. At 10:15 p.m. LIN was killed at Tai Mong Tsai. YI accompanies PO and her grandmother to home from hospital. YI finds an old photograph taken when PO was a student. YI suspects PO's classmates and thus he takes the photograph away. As the school has been pulled down, YI seeks help from computer experts. From the photographs, the recent appearance of the three students are projected. One of them is KWAN. As PO and KWEN were classmates, YI finds that KWAN's cigarette is the same as the one left at Sap Shi Heung. He also discovers that KWAN had stolen her neighbour's car which is white in color when LUN was killed. At last the police conclude that LUN was killed by KWAN and PO. KWAN and PO killed LUN as both were sent to hospital. When they met, they realized that both of them had been deceived by LUN.… ...