Marla walked across the crowded dance floor. A spy was stealing secrets from the government, and Marla had figured out who he was. Now, her job was to make friends with him. Marla would then trick the spy into telling who sent him. That part could be hard. It all depends, Marla thought, on whether he likes to dance. Marla reached the corner where the spy was standing. She walked up to him and said, "Care to dance?" He looked surprised, but then he smiled.