This is a very real romantic comedy movie, and everyone can find their own shadow in it. Xiao Yu (Papi Jiang), a nearly 30-year-old girl who has accomplished nothing, moved into a simple rental house outside the Fifth Ring Road after being fired and her roommate suddenly announced that she would abandon her and live in her boyfriend's house. This was her ninth move in this big city. Forced by her livelihood, Xiao Yu decided to go to the crew to see if there was an opportunity. In order to save money, she rented the house to Ji Ye (Zhang Chao), a little singer who was also down and out. But soon Xiao Yu was dismissed by the crew again and had to return to Beijing early. But Ji Ye's lease was not up yet, and Xiao Yu became a couch surfer. The two went from being in embarrassment to living together, and their lives became sweeter and sweeter. Many ridiculous things happened... Life is always a mess, but Mercury retrograde will always pass, and I believe tomorrow will be better!