The police recovered a body from the river. It was Shen Shuye's cousin Su Jintang. Due to an inferior heart stent, a woman who should have had a happy life died in the tranquility of those years. Su Jintang became a ghost and assisted Shen Shuye, a forensic officer, in investigating the case, which turned the original relationship between one person and one ghost into another unspeakable personal relationship.
Concept: Mirror image