Dagmar makes a deal with Edgar, New Berlin, Iowa's only warlock; he'll use his powers to make James Mann fall in love with her if Dagmar can convince Aunt Gretchen to go out on a date with Edgar.
Searching the amusement park for a pony only Susan has seen, Susan and Kent track it to the Tunnel of Terror. As they realize the pony is trapped inside, the train begins its test run.
Boy-crazy thirteen-year-old Dagmar finally locates potential romance in her quiet Iowa community, only to find herself the special project of a guardian angel with very old-fashioned morals.