The heroine Su Qian is a new criminal police officer, smart and courageous, with a righteous mind. The male protagonist Ye Shen is a mysterious entrepreneur who is cold and steady, and is burdened with unknown secrets. When a series of bizarre serial murders swept across the city, all evidence pointed to Ye Shen. Su Qian was ordered to investigate, but in the process of pursuing the truth, she fell into an elaborate puzzle.
As the case progressed, Su Qian discovered that Ye Shen did not seem to be the real murderer, but that her partner Lin Ran had various suspicious qualities. The truth seems to be covered by layers of fog, and every clue leads to a new mystery. Su Qian and Ye Shen gradually developed inseparable emotions during their cooperation, but the intertwining of trust and betrayal made their relationship full of variables. When the real mastermind surfaced, Su Qian realized that she had been being manipulated. Faced with lies and truth, she must make the most difficult choice.
