Percy Jackson is a twelve year old boy diagnosed with ADHD and dyslexia, who has been expelled from several schools. On a trip with his mother, his friend Grover, revealed to be a satyr, urgently tells Percy's mother that Percy must go to a certain camp. As they drive towards camp, they are attacked by a Minotaur which grabs Percy's mother. She dissolves into a golden shower of light. Percy and Grover are nearly to the tree that marks the camp boundary, but Percy bent on revenge turns and slays the Minotaur by removing its horn.