There are rules, and they must be followed. What is the price to pay when one of them is broken?

As Cheng continues his mission in the past, Li Tianchen and Qian Jin's backstories uncover, revealing their true natures.

Cheng and Lu Guang continue to investigate the photo but in doing so, they uncover the dark past that hid within the picture.

Cheng comes up with a tactical strategy to try and save both himself and Lu Guang, however Qian Jing proves that he is one step ahead and things end up going unexpectedly for both sides.

After the incident with Lu Guang, Cheng is forced to deal with the devastating situation and is forced to pay the debt as things begin to uncover.

Cheng and Qiao Ling need to fight to solve the situation, while Inspector Xiao Li attends Inspector Chen Bin.

Cheng begins to interrogate Li Tianxi unknowing of her intentions, in doing so, the police and the others stress, as things take a confusing turn.

As Li Tianxi and Cheng continue their ulterior motive, inspectors Xiao Li and Wang Juan indulge in a physical and psychological battle in hopes to expose their intentions.

With Lu Guangs sudden interference Cheng and Qiao are left perplexed and saved, however, things take a sharp turn ruining the situation even more.

After learning the secrets to Li Tianchen's powers, Cheng comes up with a strategy to try and save Lu Guang but things don't end up going as planned.

Cheng and Qiao encounter a familiar face that comes to their aid. However, they later find themselves at a funeral.

Qian Jin continues to look for Liu Min's phone while Lu Guang and Cheng investigate the photo that was given to Lu Guang.