 Jeremy wants to have a more monogamous relationship with Nancy, and so tries to impress her by sharing her interest in voluntarily helping the homeless. However, to Jeremy s dismay, Nancy suggests that in order to break the last sexual taboo, they should stop having sex. Mark intervenes in Geoff s and Sophie s relationship by having himself sent on a business trip with Sophie instead of Geoff, however trouble begins in the workplace, when embarrassing footage of himself drinking in a public park makes all his colleagues think he is an alcoholic.