Denholm mandates his employees to attend a stress seminar, threatening to fire those who still experience stress by the end of the day. Roy, who has annoyed the seminar's instructor, later steals his stress-measuring machine. Moss tries to make his own version, but when he leaves a soldering iron switched on, he starts a fire in the office. Jen is obsessed with buying and wearing a pair of red high heels that are several sizes too small; she inadvertently tells off a visiting executive who was planning on doing business with Denholm.