Yoon Seol-hee, a famous married chaebol, recently passed away. On the day of her funeral, her body was mysteriously stolen. Detective Jung-sik investigated the case and requested the presence of Seol-hee’s husband, professor Park Jin-han. Before the meet up with Jin-han, it turned out that Jin-han had had a secret affair with a student, whom he rushed to right after the funeral to find comfort.
At the police station, a series of bizarre events led Jin-han to believe that his wife was still alive. It was revealed that Jin-han, a long time ago, had spent time to study a new form of drug, which later turned out to be toxic to the body. This drug could paralyse the nervous system and cause death leaving no evidence behind. Jin-han, discussed with his mistress Hye -jin, attempted to poison Seol-hee so they could be together. There was one small hole in his plot, to which Jin-han trusted that it led to the failure of the plan, was the effect of the toxic could be blocked by the use of illicit drugs.
Afraid that his might-still-be-alive wife could harm Hye-jin, Jin-han spit out the truth of his relationship with Hye-jin. However, more and more evidence shows the connection of Jin-han to his wife’s death, which led detective Jung-sik to believe that Jin-han poisoned his wife and stole the body to interfere with the examination of the body. Despite the furious Chief, Jin-Han persisted to search for the missing body. More questions led back to the so-called lying Jin-han, as the police found the place which he claimed to be the house of his mistress Hye-jin and found nothing but an empty house. They assumed Jin-han was buying more time around so he could get rid of the body. Meanwhile, Jin-han got more nervous as he knew what his wife could do.
Jin-han kept getting messages from the number of passed away Seol-hee, telling him to go to the place where they “had their secret” together. After being released from the police station, Jin-han rushed to an isolated house of his possess and made his way into the forest nearby. He then bumped into detective Jung-sik who had been following him. From this point, mysteries started to be unfolded.
Years ago, detective Jung-sik was soon to be a married man. However, his wife died in a car accident and her body disappeared since. Her little sister remembered nothing but a logo from the car, which Jung-sik could use to trace back to the company which Jin-han and his wife owned. From there, Jung-sik began to plot his revenge with the help Hye-jin, who turned out to be his girlfriend’s sister. Jung-sik himself stole the body of Seol-hee and left hints behind to which Jin-han, out of guilt, imaginarily matched them with the doing of Seol-hee. At the end, Jung-sik achieved his purpose: Finding the body of his late girlfriend and successfully framed Jin-han into murdering and stealing Seol-hee’s body. The film ended with Jung-sik and Hye- jin driving far away.