On the slopes at Saint-Moritz, a fine English family of the sort who love their dogs more than their offspring meets an outrageously rich, suspiciously beautiful couple from New York. Hamish Gator and his three grown children are wrestling with their financial troubles and the question of who will inherit their grand Mayfair private members club. The new-money Wolffs are looking for an in. Social faux pas aside, it's a convenient match - except that, as the families' lives intertwine, it becomes ever harder to tell who is using whom, and just how far they might go. On this witty and debaucherous trip through the playgrounds of the ultra-wealthy, What Fun skewers the deep insecurities and staggering ambitions of the upper classes.