S1·E19 Episode 19

CHI suffers from Hanta virus. She dies at last. CHING comes with a hostage so that he can see CHI. YIP arrests CHING. TUNG is separated for treatment as she may be infected by CHI. Both YU and YIP are surprised as they love HA. YU dates HA but HA tells him that she cannot accept him. CHING is also infected and he talks with TUNG before he dies. TUNG loses two good friends and is in deep grief. YU tries to calm her. BRIAN`s wife thinks that her marriage is spoiled by SUN. She slams SUNG in the street. CHU witnesses the incident. CHU and SUN want to change their life styles. CHU even asks SUN whether they have one night stand.