Crystal held back one special student for detention because he cheated on a test. or did he? He begs Ms. Frost to let him go as he swears he didn't cheat! She knows. she actually saw the way he looks at her feet every day and she knows about his little foot fetish. He can leave once she gives him a footjob! After this lucky young student busts a load from his hot MILF teachers wrinkly soles, she gives him the 'A' on the teast he DIDN'T actually cheat on, and he's free to go.