After a life filled with rebellion and disregard, fourteen-year-old delinquent Yuusuke Urameshi unexpectedly sacrifices himself while saving a child from a speeding car. Witnessing the aftermath of his death through the eyes of his loved ones, he is granted a second chance at life by the Spirit World's ruler's son, Koenma. Tasked with unraveling supernatural mysteries as a 'Spirit Detective,' Yuusuke forges alliances with demons like the elegant Kurama and the confrontational Hiei. Together, they face looming threats from the Underworld, forcing Yuusuke to protect all he once took for granted.