Basil is working on a family chronicle when he receives a parcel from Ella. She insists that the box is alive, but inside it turns out to be Basil's nephew, Bingo. Bingo causes chaos for the group by eating Ella's dress, devouring Molly's French homework, vomiting on Dave's schoolbag, using the toilet, eating the rabbit from Stephen's top hat, and finally wrecking Anil's cafe.
