After his inattention causes a mid-flight collision with Polly, Lloyd must attend a 'flight awareness' course run by Molly - if he refuses, he risks being grounded and will therefore have to walk everywhere!

When Abacus is targeted by The Louse Hunter, a ruthless louse spider who loves the thrill of the hunt, Lloyd steps up to the challenge of protecting his best friend. On this occasion, however, Abacus may not need his help...