Amy goes to the bathroom, finds pills.

"Yes!" Amy said, trying to mimic Bianca's enthusiasm. "I can't wait! But first I have to go to the bathroom. Why don't you stay here and hang out with Todd? Here, take this."

Amy handed Bianca her jello-shot and hurried inside. The first thing she did was find Bianca's purse. She opened it up and took out Amy's cash, credit cards, and dorm-room key. She wanted to make it as difficult as possible for her roommate to get away if she wanted.

Then she went to the bathroom and peed. When she was done, she decided to go through the medicine cabinet, looking for anything that might help her in her quest to humiliate Bianca.