Is the orange sour or sweet?

Although they are in the same world, or even in the same room, they are like two worlds separated by the screen. As usual, the father comes home with a takeaway and they have a few arguments at the dinner table. Xing goes back to his room, and carefully sent messages to his friends, preparing to slips out of the house. His father, Wang Ji, certainly keeps an eye on Wang Xing's every move. As Wang Xing fails again and again, Wang Ji becomes more and more angry, and the atmosphere between them becomes more and more tense, especially today is Wang Xing's 18th birthday.