Irene va a cumplir 9 años, que es el mismo tiempo que tiene la casa donde vive desde su nacimiento. Cuando se acerca su cumpleaños, aparece una gallina que solo ella ve y que la sigue a todas partes. Harta del animal, termina deshaciéndose de ella dando inicio a una inesperada pesadilla.
 
Irene is going to be 9 years old, which is the same amount of time she has had in the house where she has lived since she was born. When her birthday approaches, a hen appears that only she sees and follows her everywhere. Fed up with the animal, she ends up getting rid of it, starting an unexpected nightmare.