Man Na is trying to challenge Yan Zhi by giving her some tasks on their way to home, but during these tasks she encounters more trouble than they both initially thought.

When Yan Zhi discovers a hidden letter, she's told by Zi Xiong to leave it to him. After that she is picked up by the secret service for questioning.

Yan Zhi accepts to do one job for the secret service, but little does she know that the secret service will bother her for more jobs. She finally admits to it after a certain occurence when Song Mian took her for a coffee.