Missy has returned after curfew, which already earns her a punishment! But when she confesses to Big Step-Sis Sephie in the sorority, she says that she got a bad grade on a test! Sephie takes Missy over her lap for a long, hard, bare bottom spanking with her hand to start things off. She then spends several long minutes mercilessly probing Missy's naughty bottom hole with a glass dildo!