<p>Stefan is a typical Berlin bachelor; aloof, open-minded, and sexy as hell. Meeting with him is an adventure every time - in which all limits are pushed. Anything is possible. <br>Enter the world of this mysterious Sex Scientist. The rules are clear - no clothes allowed in the flat, and sex is always the answer. Get into a story about two free lovers willing to experiment and test each other's boundaries, always in the name of pleasure.<br>The ...