Zhang Chenxi

In an era when the demons are in power, they are the masters of the despicable cultivators and mortals. The cultivator elders deem it necessary to send someone back in time to determine the origin of the demon lord and to prevent his awakening. Li Susu accepts the mission, becoming the mortal Ye Xiwu, General Ye's third daughter, who is married to Tantai Jin, the hostage prince and future demon lord. She is determined to destroy Tantai Jin, who, in the future, will massacre many. But as a witness to Tantai Jin's past life and rise to power, an unexpected tale emerges, one complicating her quest.

Trainee constable Su Xiaoqiao switches identities with Gu Qingdai, the widow of a bandit leader, to investigate her mother’s murder. Posing as Gu Qingdai, Su Xiaoqiao takes control of the bandit stronghold and is forced to marry Chu Yan, her undercover superior from the Suzheng Office, as part of her mission to uncover a conspiracy.

The film takes the "slow train" driving deep in the mountains and the conductor's boring work position as the carrier, through the main character Cheng Lu, Zhao Dapeng and to Pingping two young college students and young conductors