On a disastrous first date with May, Duncan, loses his little brother at an art museum. May convinces him that his brother has been transported into one of his uncle's paintings, and that he must enter the painting himself in order to rescue the boy. Together, they learn that his brother has been taken as a changeling by the Faerie Queen who intends to sacrifice him on Halloween Eve. With the help of May's brother, Charley, and her best friend, Sheila, they must find the boy before it is too late.