Once upon a time, there was a couple who lived in a town and fished at night; they had been unable to raise a child for many years, so one day while fishing, they began to plan to kidnap a small girl; according to their plan, they were successful in kidnapping a small girl and keeping her with them for a while. The girl's father was in another country, so her bodyguard looked after her. However, the couples were able to kidnap the girl, kill her bodyguard, and bury her in a forest. In the town, there was an animal doctor who used to conduct illegal medical experiments on animals, so while doing so, he invented a zombie chemical, which implies that any animal or person who smells or consumes it will turn into a zombie. 

So the doctor taught that chemical was useless and threw its waste into the forest. That chemical entered the body of that bodyguard who was buried in the forest and he was alive after the chemical entered his body; nevertheless, after the chemical entered his body. He was a zombie as soon as he awoke for his astonishment, and he began to wonder why he was like this. Why have I turned into a zombie? who am I, what am I, what am I, what am I, what am I, what These types of questions were popping up in his head, and he had entirely forgotten about his history. Then he began travelling through the forest; it was a large forest, so he moved slowly for several days, unable to move quicker or walk normal human,for his survival, he ate forest animals such as rabbits, deer, forest pigs, and so on. One day, he will see a human praying in a graveyard; he is the detective, and he was gathering information about the doctor and his experiments; as a result, the doctor will kill the detective, and this will be witnessed by the zombie, and he will give his visiting card to the zombie during his last breath, zombie will arrive in town after many days and steal a cloth from someone's house, but the owner of the cloth will be nice and polite and owner is woman who is press report of that town, due to night the reporter will not be able to see the face of zombie and she will hand him some cash for his living, then zombie will then arrive at the address listed on the visiting card given by the detective during his final breath. The zombie will then act as a detective and begin working out of his body and covering his face with cream; after a few days, he will appear human, but on the inside, he is still a zombie who eats human animals for survival.

One fine day, the zombie detective will receive a case from small children to find a dog; he will accept that case because he will not have any source of income and he was to live as a human, so he will need money to buy food for his survival. He will begin searching for the dog and will be under strict orders not to eat humans, he will find the dog after many days of searching and return it to the children. The reporter was intrigued by the girl kidnapping case, so she began investigating. She then met the zombie to assist her in finding the culprit who kidnapped the small girl, but she will not know he is a zombie until his true identity is revealed.As time passes, the zombie will learn more about his past, and he will discover that he is connected to the kidnapping of that girl. Later, those couples discovered that the girl's bodyguard was still alive, but they had no idea he was a zombie, and he was forgotten about his past, so those couples will begin to insert different stories in his head that he only kidnapped and killed that girl, and even the zombie will believe that because he was not knowing his past well then during the investigation investigation and reporter will come to know that he is a zombie and she will get more excited to work with him and she will resign her job as reporter and  joins as detective with zombie and later she will come to know that he was bodyguard of that girl and they(reporter and zombie) will start to investigate the about the couples ,but unfortunately the couples have killed the small girl ,so the reporter will find this and they will be handed over to police. The zombie then discovered that he was a bodyguard, and he will begin to investigate how he became a zombie. During his investigation, he will discover clues in his office where the detective has hidden the clue, and with the clue, the zombie will begin to spy on the doctor, and he will be caught by the doctor. The doctor will also turn into a zombie and attempt to kill everyone, but the zombie detective will stop him, kill him, and he will vanish from the human world.