They say curiosity killed the cat. In this case, this mature woman's curiosity about what her daughter's cheerleader uniform would look like, which leads her to be fucked by the student's boyfriend. What a surprise the mother catches when she notices her boyfriend putting his hand behind her without knowing that she is not his girlfriend. The boy mistakenly fucks his girlfriend's mother and only discovers what is happening when the daughter enters the room and gives birth. The boy is surprised and his mother recognizes that she is a prostitute and that the best they can do is a threesome, so her boyfriend fucks them both at the same time.