Qiao Mu, the most feared killer in the underground world, "Bai Jian", was forced to sneak into Yanxing Technology as an intern because of a mission error and uncovered the secret of the technology giant Shen Yan. He pretends to be obedient and acts like a fool, but he doesn't know that the aloof and abstinent Shen Yan has already seen through his disguise and is trapping him into a gentle trap step by step. In the workplace, Lin Xiao, who was jealous of him, frequently set up traps; in the dark, the killer organization's pursuit never stopped. On one side is Shen Yan's calm protection and sweet teasing, on the other side is the crisis of identity exposure and the test of life and death. When the cute and cute dog killer meets the shady and protective boss, a sweet and murderous cat-and-mouse game begins. They went from testing each other to fighting side by side, confirming their hearts amidst the light and shadow of swords, but little did they know that a bigger conspiracy was still brewing in the dark...
