S1 E3: SDU officers follow CHEUK-FUNG into an old factory on a rescue mission. There are explosions as they break the door and barge in. SDU officers finally manage to save WING-YIN, who is clinging to life. Kenny disguises himself as a doctor and goes into the ward to handle WING-YIN. KA-CHUN chases after Kenny and causes a scene on the street. Some car has hit pedestrians. KA-CHUN asks passer-by CHONG NGA-SHUEN to help the victims. YU-HONG and his subordinates analyze the crooks’ motives. KA-CHUN is allowed to have his gun back. CHEUK-FUNG rejoins SDU. He engages himself in relentless training to numb his senses. KA-LONG catches sight of mobile hawker stall of MAN-LA, his new neighborhood chum, being vandalized. He promptly comes forward and helps her sort out the mess.