The detective from the patrol room investigates a series of murders, and the clue points to Paramount's new popular dancer. She behaves mysteriously and knows secrets long lost. As he got closer, he realized that her eyes looked very much like his fiancée who fell into the river and disappeared ten years ago. And whenever the clock strikes midnight, she will disappear for a moment, and when she returns, the corners of her skirt are stained with dust from different eras...