Ruan Liuzheng returns to her hometown after seven years, and becomes a neurosurgeon at Beiya Hospital. However, she didn't expect to meet her ex-husband, Ning Zhiqian, who is the most experienced neurosurgeon. Ruan Liuzheng is no longer the weak and timid girl, and she shows resolute and determination in both her work and relationship. When they were in Africa to execute medical relief efforts, Ning Zhiqian was injured in a gunshot. Ruan Liuzheng didn't leave his side, and fought hard to save him from the brink of death. The two have gained a new understanding of life, and begun a new relationship again.

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 Su Su accepts the mission, becoming the mortal Ye Xi Wu, 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.

When the dark evil immortal descends from the heaven, and the mysterious underground ghost palace was revealed, a strange herb named the Black Tea suddenly took Chang'an City by storm. However, no one knows whether it is a healthy medicine or one that could harm people. Cases of missing brides in Chang'an City began occurring one after another, which seems to be inextricably linked to the black tea... Ling Feng, general of the Jin Wu guards was tasked to investigate these cases. On his journey, he meets his strongest opponent in Su Wu Ming, the disciple of Di Ren Jie. The two of them work together to solve these mysterious cases.