Vlad Plasmius places the entire town of Amity Park in jeopardy when he releases the evil Ghost King, Pariah Dark, who invades both the ghost and mortal worlds. Danny must team up with Valerie, Vlad, and several other foes to work side by side to stop the King of All Ghosts. In this episode, Danny Phantom verifies his ghost name to the people of Amity Park.