Panty & Stocking infiltrate a school to discover the secret of the disappearing students.

After collecting the necessary Heaven Coins, Stocking manages to return to Heaven. However, due to her erratic sex life, Panty is forced to stay behind and redo her quota, with Garterbelt forbidding her from having sex. She and Brief go to a party, where a devious plan is being concocted by Corset and the Sisters, and Panty finds herself losing her angelic powers.