LIL TIMY AND EMMA ANTURIN ARE STEPBROTHER AND STEPSISTER, BUT THEY LOVE TO HAVE SEX UNTIL THEY ARE DISCOVERED. THE SOLUTION THEIR STEPPARENTS HAVE IN MIND IS TO BRING IN THE STRICTEST TEACHER IN THE CITY, BUT THEY DON'T KNOW THAT THE TEACHER LIKES TO MAKE HER CLASSES TO BE BOTH THEORETICAL AND PRACTICAL, ESPECIALLY WHEN THEY ARE BIOLOGY AND HUMAN ANATOMY CLASSES WHERE GOOD SEX GOES HAND IN HAND WITH ALL HER TEACHINGS.