SONG's brother comes into open conflicts with HUNG. The two gangs exchange fire and accidentally kill an innocent citizen. Under pressure from the public, the police seeks help from the flying squad and forms a special commission headed by FOK and KI to crush the two gangs. Mixed feelings swell in NAM's heart when he learns that HUNG is involved. FONG is sad to discover that NAM and KI are deeply in love. She is taken to drinking and once when she is drunk, she discloses to HUNG that NAM is a member of the flying squad. HUNG is shocked to discover that and he tries to persuade NAM to give up his job and join him. However, NAM declines his offer. Again SONG's brother plots to kill HUNG. ANITA helps HUNG to escape and she herself is kidnapped.

郑胜决向传亨辞去职务，传亨求郑胜助他与哥保完成交易后才离去，郑胜答允。郑胜与哥保交易时，遭警方发觉，郑胜被捕，但证据不足而被释，郑胜因此更加坚决不再助传亨。陈堂欲利用郑胜杀传亨，郑胜不肯忘情负义，拒绝合作。传芳发现有孕，郑胜大喜，但又恐传芳会遭传亨连累而有危险，决与皓南合作，将传亨绳之于法。传亨发现郑胜有异，布局试探，郑胜中计，引至陈堂与警方合并，达福受重伤，陈堂则被枪杀。

鄭勝決向傳亨辭去職務，傳亨求鄭勝助他與哥保完成交易後才離去，鄭勝答允。鄭勝與哥保交易時，遭警方發覺，鄭勝被捕，但證據不足而被釋，鄭勝因此更加堅決不再助傳亨。陳堂欲利用鄭勝殺傳亨，鄭勝不肯忘情負義，拒絕合作。傳芳發現有孕，鄭勝大喜，但又恐傳芳會遭傳亨連累而有危險，決與皓南合作，將傳亨繩之於法。傳亨發現鄭勝有異，佈局試探，鄭勝中計，引至陳堂與警方合併，達福受重傷，陳堂則被槍殺。

鄭勝決向傳亨辭去職務，傳亨求鄭勝助他與哥保完成交易後才離去，鄭勝答允。鄭勝與哥保交易時，遭警方發覺，鄭勝被捕，但證據不足而被釋，鄭勝因此更加堅決不再助傳亨。陳堂欲利用鄭勝殺傳亨，鄭勝不肯忘情負義，拒絕合作。傳芳發現有孕，鄭勝大喜，但又恐傳芳會遭傳亨連累而有危險，決與皓南合作，將傳亨繩之於法。傳亨發現鄭勝有異，佈局試探，鄭勝中計，引至陳堂與警方合併，達福受重傷，陳堂則被槍殺。