Episode 27 - S4.E27

CHING finally finds out the weapon which kills WING and shows that FUNG is not the suspect. He is released and waits to be back at work. MUI invites CHING for dinner for her help in freeing FUNG. She encourages SANG to date her. KEN tries to get more information on WING’s death from HO with the electro-pulse test. However, HO dies during the test. When FUNG learns that HO is dead, he scolds KEN for only caring about the case but his subordinates’ safety. KEN starts to question his working style after that. CHING dates SANG. Meanwhile, her mother FAI appears to check him out. FAI can see that CHING is in love and asks her their development. FUNG is back at work and is assigned to investigate the serial killing. People from Hung Ying plan to kill FUNG as they think that he killed WING. They elect CHOI to take over the organization.