Malcolm is the subject of scorn at work. His boss is unhappy that his big, confident team leader is now a puny, nervous little guy. Also, Malcolm soon comes to learn that the magical transaction of the Strength Dowry is having effects on other people: the women he spends the most time with are all growing bigger and stronger. Women at work, at the gym, and of course his already massive fiancee are all swelling up to ever more imposing and muscular proportions, while Malcolm remains tiny.
Malcolm begins to feel that he's made a mistake in giving Britney what she wanted, and pursuing marriage with her, but if he wants to get his strength back, he has to soldier on. Or does he?