YuYu Hakusho Yusuke Urameshi footsteps, a street named Wanderer, who (in an unusually good time) died while pushing a baby out of the way of a car is rushing towards. His soul is received Botan, who introduced himself as rowing boats of the river Styx, who will take the souls to the afterlife where they can be judged for the next life. Botan tells Yusuke that his brave actions shocked the whole spirit, they are not prepared to welcome his soul. So, Koenma, the son of Enma (the head of the spirit - as Jade Emperor in the opinion of the Japanese), Yusuke has one chance to enter again into his body by those tests. Yusuke has completed the test by saving "girlfriend" of his, Keiko Yukimura. After being reborn, Koenma assigned to detectives for his spirit, the task is to investigate every incident that occurs between the supernatural world of men. Soon after, he was the first mission, find three treasures stolen from the spiritual world by a group of monsters: Hiei, Kurama, and goki. Yusuke three treasures collected under the support of powerful new absolute way that he can be, attack Rei Gun (霊 丸, Spirit completed) is absolute way that he can multiply his soul into rounds (in the anime English, this translates to move Spirit Gun). Then you up the mountain to find an old warrior woman Genkai. Along with his rival, Kazuma Kuwabara, Yusuke has overcome competition organized by Genkai to become her successor. Yusuke is used as the cover to find Rando, a monster has stolen many great techniques from other fighters and kill them. Rando Yusuke beat in the final match of the competition and Genkai training for several months, have more experience in the use of their energy. Then, Yusuke is sent to the Palace Maze in that world, where Kuwabara, Kurama and Hiei help him defeat the ghost Four animals, four of demons threatened to destroy the world prevents Koenma between them and the human world people.
Yusuke's next mission to push him into a rescue mission, where he met Toguro, who turned into a powerful demon from a normal person. To test the strength of Yusuke, Toguro has challenged him join the Dark Tournament (Dark Tournament Saga), a tournament organized by the rich man (to gambling purposes), where the group asked ma, even humans, the fierce fighting for the chance to get what they crave. Urameshi team, including Yusuke, Kuwabara, Kurama, Hiei and Genkai (hidden) battle to overcome many difficulties to face Toguro in the final group and won. And they knew that Toguro team boss, Sakyo, trying to win to complete the plan to create a path to that world. With his defeat, Sakyo pitch and destroyed himself in it.
After the tournament, Yusuke came home, but after a period of rest, He had been three young strangers with strange power challenge kidnapped hostage. Kuwabara and others went to rescue him and get to know all things by Genkai just play up to try them. Genkai also revealed that Shinobu Sensui, spirit detective Yusuke's predecessor, has convened a further six people with extraordinary powers in order to finish other work that Sakyo left, opening the way to that world to destroy the species people. Yusuke and his friends challenged and defeated one by one in the group of Sensui, culminating in the battle between the spirit detective. Susuke Sensui kill then retreat into the new road leading to code gender. Yusuke again be re-asked the somewhat stronger in people, and discovered that his ancestors had handed down an extraordinary power hidden within its beneficiaries the opportunity to reveal to the outside, which love is when the blood flow within you rise. Yusuke to that world, beat Sensui with incredible power is transmitted from the ancestors, who controls his body to end the war.
Back of the world, stripped of the title Yusuke detective spirit as well as being King Enma ordered his arrest for fear of demons in the blood stream can catch Yusuke continues his rebellion in the human world. Yusuke, not sure about being controlled by his ancestor Raizen, accept that the world again. Raizen, who expect to complete their territory, are dying because of their hunger, death that can destroy the delicate balance between the three monarchs of that world. Hiei and Kurama was convened by two others, Mukuro and Yomi, one by one, to prepare for a war is inevitable. Three of our main characters in the three kingdoms practiced in a year, until death Raizen and Yusuke becomes king, succeeded him. Yusuke initiative proposes a league of three monarchs to find a single monarch of that world, which has received the consent of Mukuro and Yomi. Go to the tournament, Yusuke and Yomi clashed in the Monday qualifying where Yusuke defeated and lost consciousness. Yusuke wakes up a few days later, said that the tournament has ended, and the tournament will be held similar to any routine to decide who is the king of that world. Yusuke's stay in that a long time, but eventually he decided to return to the world of men to be living Keiko
