Chapter 4 summary

In Chapter 4, a zombie-like figure makes its way through the crowd at the party. Robbie tells Sierra to run. He says that the figure will chase him. He is wrong, however. It chases Sierra instead. It knows her name and asks Sierra about Lucera's whereabouts. Sierra does not know who the figure is talking about. She escapes it. When she gets back to her neighborhood, she sees the police where a crowd has gathered. A boy she knows tells her to smile for him and his friends. Sierra stands up to him and goes home.