With new baby Emma to take care of, Penny is getting restless at home and otherwise alone all day: it's a far cry from her previous job in the army! Meanwhile, Russell's got the chance of a lucrative promotion - if he moves the family to Scotland...

After a 4-day training exercise, Penny returns home to announce that she's invited a senior colleague for tea - the next day. Russell's feeling increasingly put out and is, to say the least, not amused by this new imposition.