Abnormality Ending Explained [SPOILER!]

SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!

SPOILERS AHEAD

Abnormality Summary and Synopsis

A deranged and murderous family man toys with a detective who is seeking vengeance for the death of his sister.

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