jenjen, you should tell us more details of the situation, whrer you are stuck. Tarak's sister is washing and caressing wendy's body during multiple scenes of the game. Therefore nobody can help you, if you cannot soecify your problem in detail!
Some means to bring you forward:
1) If you stuck, type aisha inyour keyboard and
2) you can download a demo-walkthrough-video from the main page of the lagoonm.
3) The best would be: go to the top of th Doctor shark consultations