Heat Week is the toughest part of a year for mares in Equestria. Twice a year they must engage in total solitude, lest they cause a Stallion to feel Rut. Rut, which is triggered by heat, and completely removes all but the basest of instincts of a Stallion.

Fluttershy finds herself falling into heat early, her hormones out of wack due to medication. Unable to reach out to anypony to cancel her plans, Fluttershy finds herself trapped in her home, alone with somepony she no longer knows…

Contains Rape/Non Con, Heat/Rut, Incest, Father-Daughter Rape, Victim Blaming, breeding/forced impregnation, rough sex