Jin Zhen starts his work at the mail office and encounters problems on his first day. Instructor An manages to calm down the situation and supports Jin Zhen with adapting to his new environment. Despite disliking Jin Zhen's presence in the beginning, Director Wang starts warming up to Jin Zhen. Jin Zhen works on the Purple Code he got from Instructor An and Chief Zheng in secret. John Li reveals he knows of the Purple Code. Principal Rong passes away, sending Jin Zhen in a tailspin.