Escape room designer Jian Yi accidentally activates the "deduction simulator" and can deduce the details of the case by simulating the future. She became acquainted with forensic doctor Huo Ming because she helped the police solve the secret room murder case, and the two gradually developed a relationship from being "detective partners" who were at odds with each other. In the process, Jian Yi discovered that behind many cases there were darkening forces related to her childhood fire memories, and Huo Ming's cynical underbelly also hid the secret of chasing the murderer for his brother. While solving a series of unsolved cases and uncovering the truth of the past, the two used deduction to simulate thousands of possible love scripts, and finally wrote the sweetest ending in reality.
