This parsha lists sexual encounters that are forbidden. It speaks of one who gives his seed to Molech, and those who commit adultery shall be put to death and cut off from the people. This list goes on. Those who lie with a father’s wife, and one who has sex with his daughter-in-law. Men who lie with men. Men who have sex with animals. Lying with a woman who is having her menstrual cycle. All these are to be punished.