"Knock on the High-Floor" . It's a ghost. The ghost knocks on the high-floor window of Mr. Liu's apartment. He's afraid that the ghost is there, but he's not afraid of the ghost. He asks if he can have sex with him tonight. He says that they can't, because his father's business is in bad shape. He wants to help him out, but the ghost won't listen to him. He tells him that his daughter is a virgin when they're together, but she's still a virgin after they've had sex. He offers to buy the family's shares in his company for six-and-a-half billion dollars . He doesn't know exactly what he wants, but it's clear that he needs the money.