Yusuke Urameshi, 14, is the worst student of his class. He's always in fights and seems to always be the bad apple. Then one day it all changed. He died saving a little boy from traffic. Because of this self-less act he goes through an ordeal to get his body back...and he becomes a spirit detective. As spirit detective Yusuke goes on missions for the spirit world to eliminate demons and save the human world.