Cory has a surge of jealousy when her stepson brings his girlfriend home; the girls exchange glances and appear to reach an agreement. There's enough of dick for each of them. Rick's girlfriend licks his stepmother's asshole as he hammers into her eager hole from behind. His stepmother enthusiastically sucks his girlfriend's pussy as she inserts the length of his cock deep into her throat. Rick still can't tell the difference between a trapezoid and a parallelogram, but he won't have any trouble in biology next semester.