Birdie is a different kind of teenager with such a dark and lively imagination that it's becoming her destiny. Therefore, she has been placed in a dilapidated convent in the hope that she will get on the right path. When she meets Julia, a confident and cheerful girl who helps out at the convent, Birdie gains new hope for a life in reality. However, her strange and grotesque obsession and bloody hallucinations steadily increase, and she decides to try to understand if her visions come from something divine or have their origin in dark forces. Or is the convent itself trying to tell her something?