Karen finds herself on the horns of a dilemma when, in order to placate her pushy mother, she announces that she’s engaged to TJ. Unfortunately TJ's new girlfriend gets to hear about this unforgivable chicanery, and very soon the long claws are out – and slashing. Meanwhile, the new Spatz food delivery service (a.k.a. a clanking pushbike with a slipping chain) is driving the staff to distraction