Dann accidentally releases a ghost named Desiree, who grants every wish she hears, only in a chaotic way. Danny is able to stop it with a new power he found out. Bun now, Tucker's envy over Danny has caused him to wish he has ghost powers too. Danny's really getting annoyed by this, and he soon finds out that Tucker's envy will transform him into the most powerful ghost boy ever. Can Danny stop him in time?