CHUNG MAO is very doubtful about AH GUA's death. Though very late at night, he rushes to inspect the dead body. However, the guards there seize him and accuse him of destroying the corpse. He is now kept in the prison. CHUNG MAO thinks AH GUA's death is done by the guys at the salt manufactory so he tries to slip away from the prison and to cooperate with YIK FAI to find out the truth. YIK FAI and CHUNG MAO slip into the salt manufactory for investigation. However, they are discovered and are beaten up by the guards. Both of them run away for their lives and YIK FAI is wounded on his way. CHUNG MAO urgently calls forth MAO LUNG and CHEUNG JUNG to rescue YIK FAI and they unintended discover there is a special air inside his body of which he can make good use. CHUNG DAN tries to explain everything to TIT YAN and to convince him to stand on PAK SING's side but TIT YAN refuses to help this fierce man.… ...