There is a creature called the female beast that excessively seeks out male genitalia. They used to be dangerous special creatures, but now they are mild-mannered creatures because they are kept on the Mestizo Night Safari where they are given pseudo dildos without being allowed to show their male genitals. However, one of the men who visit the Mestizo Night Safari shows them his male organ... and the Mestizo's instincts begin to awaken...