Police officer Lu Shiyan suffered from childhood trauma and developed a dual personality. During the day, he is docile and reserved, but he hides his sensitivity and softness; his hidden dark personality is proficient in criminal investigation methods, and he has committed many serial murders and wandered into the blind spot of the police's search. Forensic doctor Shen Yubai adhered to the legal principles and original intentions, and gained insight into Lu Shiyan's secrets through getting along day and night. He knew that the other party was hiding an abyss, but he was still trapped in a two-way fetter. Love became the inner demon of the dark personality. In order to break free from the shackles of emotion, he killed his beloved and hid the body. After waking up, Lu Shiyan understood the whole truth. He struggled between legal principles and deep-rooted love. He wrote a complete confession to reveal all the secrets. Finally, he rushed to the wild forest where his lover was buried, and sacrificed his life to atone for his sins and love. Light and darkness fell in pairs, and an entanglement that wandered on the edge of good and evil finally ended up in the same place with a tragic ending.
Concept: Suspense and pure abuse