In which episode did X female agent Sue appear?

Are you asking which episode of female agent X Sue appeared in? 15 episode.

Youku video official website shows that Su appeared in the TV series 15. The plot of the story is that Tan has been following Su and Wu's effective negotiators. Qian introduced the characteristics of Su He. Sun suggested that He Junfeng take the place of Su's translator and accompany He Junfeng to complete the task.

"X Female Agent" is a TV series produced by Wuxi Cijia Film and Television Co., Ltd., directed by Min and written by Luo Jin and Coco.