In the fourth episode, Zhang Wei's cleverness annoyed Yifei. She had an intellectual confrontation with Zhang Weijin, thus winning the right to use Zhang Wei's room and converting it into a laundry room. Zhang Wei, who was fired, only got a boy's apartment for the night, but his poor sleeping habits made his male roommate miserable. For the harmony of the apartment, the men who suffered a lot decided to win back the right to use Zhang Wei's room by answering questions. They were very excited and became the judges of the competition. But Mo Yu's boyfriend found her. Mo Yu didn't want Richard to find her and decided to change her address. Zi Qiao and Xiao Xian gave Zhang Wei's room to Mo Yu.