Kate and Michael have a pizza delivered. When they open the box, they discover that it isn't what they ordered. They've got the pizza intended for their new neighbours, Harold and Maggie Conway.They go next door and swap pizzas. Next morning, Harold comes round and asks if they can let him have the telephone number of a local doctor. Apparently, Harold and Maggie have gone down with food poisoning after eating the pizza. Kate manages to knock Harold out with the kitchen door.In spite of the fact that they've got off to such a bad start, Kate is determined to make the new neighbours like her. A series of disasters ensures that the reverse is true.