A single and lonely woman finds the seemingly perfect man to date, but soon regrets it when his deranged and possessive other personality emerges and worst still, she cannot convince anyone else of his Jekyll/Hyde true nature.

A young businessman, out jogging one night, sees a beautiful woman undressing in her bedroom window. He is compelled to return every night to watch her, until one night he witnesses a murder in the same apartment and soon becomes the prime suspect.