Lin Qian is a hardworking worker in a big city. Due to the low rent, he lives in a haunted house in the city center. He accidentally becomes a roommate with the soul of the late financial elite Shen Xingze. At first she was frightened by the supernatural phenomenon, but she discovered that her ghost roommate was obsessive-compulsive, had a sharp tongue, and loved to keep accounts. He would cook and do housework for her and charge clearly marked prices. One person and one soul went from bickering to accompanying each other. When Lin Qian lost her job, Shen Xingze silently comforted and helped her get her favorite offer. When Lin Qian discovered that Shen Xingze's death was not accidental, but was murdered by his former friend Zhou Yi, she decided to overturn his case. She collected evidence, cooperated with the police, and finally brought the murderer to justice, and Shen Xing chose to redress his injustice.
