Pod tells the Hendrearys that he and his family are leaving. Eggletina shows them a way out through the scullery drain, but as they make their way, a roaring wall of water rushes towards them.

Ditchly and Ilrick's pranks have got the better of them and Pod reminds them what being a Borrower means.

Imprisoned in an attic the Borrowers must escape. They have five days before the Platters are to put them on public display. Arrietty persuades Pod and Homily to build a balloon.