The romance film follows the story of two young couples from different social backgrounds as they grow up, head to college and eventually try to find their way in the world in their chosen careers.

In the early years of the Republic of China, Xiao Jian was arrested on patrol, a boy who dreamed of becoming the number one detective in Shanghai. During the investigation of a series of mysterious cases, he accidentally touched on their so-called control incidents. He became a member of the Special Investigation Bureau inexplicably. A series of thrilling, bizarre and suspenseful events took over the code name of "Broken Army" and became an unknown guardian.

In order to find out why his wife was killed, Chen Zheng, the general of Zhenhai, has been tracing a mermaid, but while doing so, he accidentally discovered a conspiracy in North Korea. With the help of the mermaid, he punishes rapists and eliminates evil, tearing apart the wicked conspiracies...

As the Demon King Baize is on the verge of awakening, the immortal disciple Mu Qing sets out to the demon realm before the chaos spreads across the three realms, seeking the magical instrument Qingluan Mirror to slay the Demon King. By a twist of fate, Mu Qing embarks on the journey with the little demon Chaoyan. During their adventure, they grow to know and love each other. Just as they are about to fulfill their mission, Mu Qing discovers that Chaoyan is the reincarnation of the Demon King, marking their relationship with a destiny of tragedy despite their deep bond across two lives.

In the five years of Ming Zhengde, the Dongchang and Jinyiwei fought in secret, and the eunuchs were in power. There was a tendency to fight the courtesy with the imperial power and the cabinet. The officials and officials protected each other. Jin Yi, the god detective Lu Chong, joined hands with Luo Xiao, who made Xiao Xiaobai, the vast and disguised as men's clothing, to collect the eunuch's evidence, a war to punish evil and promote good.

In this era of chaos, Wu and Yue compete for power and influence. After the battle of Biaojiao, Yue is on the brink of destruction while Wu secures its dominance. Xi Shi, a Yue woman, and her father escape to the capital in search of refuge. Amidst the turmoil, Xi Shi vows to seek justice for the wrongs done to her and her family.

Drawn by a lucrative insurance payout, a woman and several others move into a haunted building for seven days, where supernatural disturbances and hidden motives spiral into a deadly struggle to survive the night when the spirits return.