"Madeleine and her hippie parents travel to England to run a candy shop. Meanwhile Mr. and Mrs. Bunny also travel to England, where Mrs. Bunny tries to weasel her way into the ranks of royalty"--
Middle-schooler Madeline's hippy parents have been kidnapped from Hornby Island, Canada, by foxes and Madeline, upon discovering that she can understand animal languages, hires two rabbit detectives to find them.
When the hippie crossing guard, Mr. Louie, puts a love potion in the water fountain before Valentine's Day, everyone at Ella Mentry School falls in love.