Killing Dog, Girls, Shopping, Christmas Party Summary

Bateman decides to have a quiet evening in. Bateman needs to go to D'Agastino's to get a few groceries. On the way, Bateman runs into a man walking his dog. Bateman stops and pretends to admire the dog, causing the man to believe Bateman is flirting with him. Bateman picks up the dog and then disembowels it with a knife. The man is so shocked that he does not have enough time to cry out before Bateman cuts his throat. When they are both dead, Bateman calmly walks away, going into D'Agastino's to buy a box of cereal he does not need.

Some time later, Bateman drops Courtney off at a club and promises to return after buying some drugs. Instead, Bateman cruises the meat-packing district in a limo until he finds what...