Unidentified

An Agent from the future comes to the past to prevent crimes. The only way for him to return to the future is simply to wait. During this time, he must live in complete isolation. This would drive most men insane, but it suits the solitary agent just fine... until one day, when he runs into a girl about to commit suicide.

A famous psychology professor was killed under the motif of the murder game in the novel. But a young writer Han Joon conceals the killer for immediate success. As a result, Han Joon, the original author of the novel, is swept away by media and public opinion due to copycat crimes, and his life is turned upside down by sudden success. A month later, Han-jun received a threatening letter from Nuance that Han-jun knew the secret of Han-jun with a photo of the mysterious woman murdered, and Han-jun met the woman in the photo with Jeong-hyun, a young woman who helped him succeed.