Cecelia Taylor faces consequences at school for cheating during an exam, which angers her stepmother,
Charlie Forde. Before Charlie can reprimand her, Cecelia fabricates a story claiming that her other stepmother,
Serene Siren, does not discipline her in the same way. Confused yet persuaded, Charlie forgoes punishment.
However, when Serene learns of Cecelia's misdeed and visits, it is brought to light that Cecelia played them both against each other by leading them to believe false claims about spanking practices in each household. The stepmothers discover Cecelia's manipulation and in a surprising turn of events, they decide the best course of action is to discipline collectively. What starts as a punishment soon escalates, creating an unexpected intimacy that ignites desire among all three, culminating in a passionate encounter.