A pupil of Hung Tung Clan is killed by the SNAKE SWORD and Leader MA decides to take revenge on SIT and his son BUN. CHOR comes in time to explain about the lost sword but MA is determined not to give up.

YUNG lies to LAI that BUN is dying and YUNG becomes very worried. CHING takes the chance to test YUNG and discovers that LAI and BUN are in fact lovers. GOI learns about it and in a fit of rage, locks LAI up. CHING tries to help the lovers run away.

After some investigation, CHOR finds out that because of the dispute between the two families, LAI and BUN cannot stay together and so they use tricks to help SIT and GOI reconcile and at the siaf1'1e time help LAN