Two hyenas from Africa find a pair of passports (memo: do not go swimming in a crocodile pool), and move to Teddington, England, where they live suburban lives, hold jobs, and raise their children to hide their tails and act human--the only trouble is old Mr. McNumpty, their nosy neighbor, who is hiding a secret of his own.

"The Bolds may look ordinary but they have a great big secret! Teddington's wildest family are keen to blend in and not raise the suspicions of their human neighbors. But trouble soon arrives when a very sly fox starts making a nuisance of himself on Fairfield Road. It's up to the Bolds to try to stop him--but the solution has them foxed..."--