Architect Lin Mo discovered that his wife who was on a business trip was brutally murdered and replaced by her twin sister Ye Shuyun. The five-year-old son always said that his red-eyed mother lived in the closet. Surveillance cameras captured a dark shadow in the middle of the night, and shoes stained with cement were found under the bed. All kinds of strange clues pointed to the truth. Lin Mo secretly arranged to collect evidence, and finally brought the murderer to justice, and allowed his wife who was sealed in the load-bearing wall to rest in peace, uncovering a family tragedy that had been sealed for many years.
