A group of survivors take refuge in a shopping mall after the world is taken over by aggressive, flesh-eating zombies.

Frank Allen, a professional speaker who lectures on time management has a perfectly ordered and scheduled life, down to the minute. When his wife sets his clock forward 10 minutes as a joke, his day is thrown off. Deciding that his strictly ordered life has done him little good, he begins to make multiple choice index cards, choosing one at random and doing what is written on the card.