Wu Di is a corpse restoration artist. He spends most of his time keeping company with his sick mom who has Alzheimer's disease. On the scene of a car accident, Wu Di encountered an unclaimed corpse of a little girl with blue candy under her tongue. To avoid the little girl becoming another "Jane Doe", Wu Di tries to look for her family.

‍

Soon Wu Di has to work on two female corpses with similar suspicious state of death. By linking the clues, Wu Di suspected that the murderer of this series of bizarre deaths could be a man he had met once.

‍

Wu Di falls into the dilemma of keeping her mother sound and safe with all his efforts, or keeps digging for the truth to save more lives?