Fatty, one of the Five Find-Outers, is horrified to hear that a girl is coming to stay at his home with her father, a beetle expert. Eunice is a very determined girl who stands no nonsense. But soon news of an escaped prisoner starts the Five Find-Outers and Eunice, on an exciting search to solve a very complicated mystery.

Featuring the voices of: Eric Flynn, Judy Bennett, Nigel Pegram, John Baddeley, Jane Collingwood, Summer Strallen, Lola Brookes, Robert Waiting and Joe Vasallo.