Changsu happens to get a special perfume. The perfume has a special thing that appeals to women. Ara is also attracted to the perfume and meets Changsu

A fantasy medical drama about a high-ranking grim reaper named Kkok Du, who is the only being to exist in the underworld. Every 99 years, the cold and cruel Kkok Du must take a break from his job in the underworld and spend 49 days in the mortal realm—and this time, he winds up inhabiting the body of the human Do Jin Woo. While living as Do Jin Woo, he meets Han Gye Jeol, a female doctor who has the mysterious ability to order Kkok Du around.

Baek Beom has worked as a forensic doctor for 10 years. He has a bad personality, but he is excellent with his work. Baek Beom does not open his mind to other people. Eun Sol is a rookie prosecutor with a warm heart. She has a bright personality and she comes from wealth family background. The forensic doctor and prosecutor work together to solve cases.

Oh Hyun-Jae used to be a top criminal profiler. He solved many cases with his skills, but an explosion, caused by a serial killer, ended the life of his fiancé. After the horrific incident, Oh Hyun-Jae vanished and he now lives in seclusion. Meanwhile, Cha Soo-Young is police officer in a rural area. She has a special ability, which allows her to remember everything that she saw. Due to her special ability, she is selected as a rookie detective who will partner with Oh Hyun-Jae informally.

Diagnosed with hyperthymesia, Seo Jin Woo possesses an uncanny memory, which he uses to his advantage as a lawyer defending his wrongfully convicted father. But when Jin Woo is afflicted with Alzheimer’s, his only link to his father’s innocence begins to fray. With a mind that’s both his greatest asset and greatest liability, can justice prevail?

A criminal thriller about the fierce psychological confrontation between a detective and a killer who confessed to multiple murders.