Lin Yi once had the most perfect happiness in the world, until his stepmother came to the door with his stepsister, and his mother committed suicide by setting fire to depression. Overnight, Lin Yi fell from the clouds into hell, in order to take revenge, she put down her pride and self-esteem, and did whatever it takes, and finally took the initiative to climb into Lu Yu's bed and successfully obtained a shelter. Lu Yu was indifferent, despised and mocked her, but allowed her to act, coquettish, and lawless. Lin Yi is hypocritical, flattering, and deceiving him, but he keeps using him to get benefits. They all think they are calculating each other, but they don't know who lost their hearts in the calculations first, and they don't know who became addicted to whom first.