Episode 18 - S1.E18

PUN and FUNG do not want to spoil TIP and KIU's happy family. They claim that they have given up their plan and work for TIP. At; night they do not give up practising martial arts. KWAI comes and they are happy. In fact KWAI is controlled by SUN's drugs and he is forced to kill them or his friends in Villain Valley will be killed. However he does not want to kill them. PUN and TIP pretend that they have no intention to fight SUN and have decided to flee. KWAI is discontented. TIP sends KIU, PUI and KWAI to the pier and then he sets off to assassinate SUN. PUN and KIU also come. KIU takes PUI with her and come to give a helping hand. With joint efforts, they kill SUN.