Karen and Jake are both staying the night with friends whilst Ben is at an adventure camp,terrifying his school-mates with ghost stories. Sue and Pete find themselves dog-sitting Archie for friends of friends. He seems cute but nobody warned that he would go after next door's guinea pigs and run up a ninety pound bill. Pete loves having the kids out of the way and muses on a child-free future. Sue cannot wait to have them back again.