Christina has discovered that her step-brother's girlfriend has been cheating on him and she's furious about it! The girlfriend tries to deny it, but Christina has hard evidence by way of a compromising photo, taken only the night before on Christina's mobile phone. Confronted with the evidence, the cheating girl has no option but to submit to Christina's harsh punishments, or risk her boyfriend finding out. Blistering and humiliating bare bottom spanking and paddling follows, until the girl is almost in tears. Her ample backside quivering and throbbing and glowing bright crimson!