Episode 21 - S4.E21

SANG finds some paint residues on one of the victims YEE’s body, which is the same as the paint a wanderer SHAU uses, and suspects that he killed YEE. He waits for SHAU’s appearance and SUNNIE volunteers to accompany him. When he finally shows up, he talks nonsense and it is impossible to interrogate him. Therefore, SANG searches his flat to find some evidence, but retrieves nothing. SUNNIE admits to SANG that she loves him, which bothers him. CHUNG is thought to be shoplifting by mistake in a model shop. Luckily, CHI helps him out. HUNG is secretly meeting his ex-wife, SHAN. SUM thinks that he is having an affair. HUNG lied to CHI that her mother was dead when she was young. The sudden appearance of SHAN, who determines to meet CHI again, puts HUNG in a dilemma. FUNG is having some time with the family while WING suddenly appears to show him some pictures of them being intimate.… ...