SAI-YIN arrives at the village house and he is shocked to discover some broken pieces of a prosthetic limb there. SIU-NAM is very worried but CHOR-KIU suddenly calls him and tells him that she is safe. KIN-HO learns that SING-YUE’s car is discovered at the hillside. KIN-HO and CHUN-WAI worry that the serial killer has killed SING-YUE already. KIN-HO suggests to his supervisor that they could seek help from SIU-NAM for searching SING-YUE. With the help of SIU-NAM, they discover that some corners of the village house have been treated with bleach solution. After thinking through the case carefully, SIU-NAM cannot deny that CHOR-KIU is suspicious. CHOR-KIU goes home in YIU-WING’s taxi and she recalls her untold past. She also recalls the shocking scene when she first saw SAI-YIN in Jekyll bar. SAI-YIN sneaks into CHOR-KIU’s bedroom at night. CHOR-KIU is asleep and SAI-YIN finds it really hard to kill her…