Overview: Growing up in a border town, Qiao Yan (Zhao Liying) became a well-known actress after years of hard work, but was careful along the way under heavy pressure. With an anonymous blackmail message, a dusty past becomes her new shadow. Meanwhile, her sister (Xin Zhilei), who lost contact with her years ago, suddenly shows up. Things may seem coincidental, but there is a bigger crisis hidden behind. The movie is adapted from Zhang Yueran's novel.
Overview: In the 1940s, the world was in turmoil, and it was crucial to decipher the enemy's communication codes in a timely and accurate manner. Rong Jinzhen has shown amazing mathematical talent since her childhood, and because she solved the problems assigned by her math teacher, she was noticed by more people, and even walked into the door of code-breaking by mistake.