A mysterious package filled with methamphetamine turns Tan Dou Dou (Pan Zhi Lin)’s tranquil life as a white collar worker upside down. The sender is her ex-fiancé Jin Yuan (Luo Jin), who run away seven years ago. Dou Dou wants to bring the package to the police station, but then decides to go look for Jin Yuan instead. Turns out that Jin Yuan is suspected by the police to be involved in drug trafficking and money laundering. Dou Dou, who still harbors feelings for him, is dead set to help him get out of the dark and start afresh. Jin Yuan, however, is actually a spy sent by the police in order to bring down the drug trafficking organization.
The director of the regulatory commission of the development zone in Dongjiang Yuan Xing Ye commits suicide by jumping off the roof, causing a huge uproar. Prosecutor Jian Jie is in charge of investigating the circumstances of his death, but encounters heavy resistance. Not long after, even more strange things happen, his future father-in-law, Lawyer Mei Dong Sheng suddenly disappears and becomes the suspect of a murder case. In the blink of an eye, Jian Jie and his fiancée Mei Xiao Yue’s lifes has become chaotic. But Jian Jie quickly realizes that everything is related to the development zone and people who want a big piece of the cake fighting a bloody war over it. Under the leadership of the anti-corruption chief Song Chang Ming, Jian Jie and Ji Jia Ni start to investigate the elite in order to root out corruption.
White collar worker Xu Nuo (Pan Zhi Lin) and her company’s chairman Chen Zhi Ze (Wang Yao Qing) start out as enemies but later become lovers. Hand in hand, they fight against their opponents.