The scene opens with a flashback to the previous day, when a student named Caiyu Lin had called to tell Caiyu to send him the activation code for his new cell phone. The student asks to be sent the code as soon as he receives it, but he is told to wait until the next day to send it. When he finally receives the code, he is surprised to find that it is from Caiyu, who had touched his cell phone as a prank the day before. He is also surprised to learn that Caiyu had not even finished copying the homework that he was supposed to have done that day. Caiyu asks if he is eating breakfast, and Caiyu tells him that he is. He then asks if Caiyu has finished copying his homework, and he says that he has already expected this. When Caiyu learns that he did not finish the homework, he asks Caiyu why he is so talkative today. He says that his talkativeness is due to the fact that he does not treat others the same way that he treats himself.